/* Modern Minimalistic Design for SlurryAM */

:root {
    --primary-color: #0066FF;
    --primary-dark: #0052CC;
    --secondary-color: #6C63FF;
    --text-dark: #1A1A1A;
    --text-medium: #4A4A4A;
    --text-light: #7A7A7A;
    --bg-light: #FAFAFA;
    --bg-white: #FFFFFF;
    --border-light: #E5E5E5;
    --accent-green: #00D9A3;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    background: var(--bg-white);
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    color: var(--text-medium);
    font-size: 1.1rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
}

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin: 0;
}

.tagline {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 400;
    margin-top: 0.25rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding: 12rem 0 8rem;
    text-align: center;
    background: linear-gradient(135deg, #FAFAFA 0%, #F0F0F0 100%);
}

.hero-title {
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-medium);
    max-width: 700px;
    margin: 0 auto 1rem;
}

.patent-info {
    display: inline-block;
    background: var(--accent-green);
    color: white;
    padding: 0.75rem 1.75rem;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    margin: 1.5rem 0;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 217, 163, 0.3);
}

.patent-info:hover {
    background: #00C090;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 217, 163, 0.4);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2.5rem;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 102, 255, 0.3);
}

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

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

/* Sections */
.section {
    padding: 6rem 0;
}

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

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 4rem;
}

/* Technology Section */
.technology {
    background: var(--bg-white);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.tech-card {
    padding: 2.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.tech-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.tech-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.tech-card h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.tech-card p {
    font-size: 1rem;
    line-height: 1.6;
}

/* Advantages Section */
.advantages {
    background: var(--bg-light);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.advantage-item {
    position: relative;
    padding-left: 4rem;
}

.advantage-number {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.15;
}

.advantage-item h3 {
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.advantage-item p {
    font-size: 1rem;
    line-height: 1.7;
}

/* Applications Section */
.applications {
    background: var(--bg-white);
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.app-card {
    padding: 2.5rem;
    background: var(--bg-white);
    border: 2px solid var(--border-light);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.app-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.app-card h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

/* Gallery Section */
.gallery {
    background: var(--bg-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.gallery-item {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
}

.gallery-caption {
    padding: 2rem;
}

.gallery-caption h4 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.gallery-caption p {
    font-size: 0.95rem;
    line-height: 1.6;
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    margin-top: 4rem;
}

.contact-info h3 {
    margin-bottom: 1.5rem;
}

.patent-details {
    margin-top: 2.5rem;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.patent-details h4 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.patent-details p {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.patent-details strong {
    color: var(--text-dark);
}

/* Contact Form */
.contact-form {
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 12px;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--bg-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

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

.contact-form button {
    width: 100%;
    margin-top: 1rem;
}

.form-status {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    text-align: center;
}

.form-status.success {
    background: rgba(0, 217, 163, 0.1);
    color: #00A87E;
    border: 1px solid rgba(0, 217, 163, 0.3);
}

.form-status.error {
    background: rgba(255, 59, 48, 0.1);
    color: #CC0000;
    border: 1px solid rgba(255, 59, 48, 0.3);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    color: white;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-left: 2rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero {
        padding: 10rem 0 6rem;
    }

    .nav-menu {
        gap: 1.5rem;
    }

    .tech-grid,
    .advantages-grid,
    .app-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

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

    .footer-links a {
        margin: 0 1rem;
    }
}