/*
   aipornlab.love CSS Styles
   Modern lab-themed design with teal/blue color scheme
*/

/* Base Styles and Reset */
:root {
    --primary-color: #00BCD4;
    --secondary-color: #3F51B5;
    --dark-color: #263238;
    --light-color: #ECEFF1;
    --white-color: #FFFFFF;
    --gray-color: #607D8B;
    --gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Roboto', 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    color: var(--secondary-color);
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}

h3 {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

p {
    margin-bottom: 1rem;
    color: var(--gray-color);
}

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

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

.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    background: var(--gradient);
    color: var(--white-color);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 188, 212, 0.3);
    color: var(--white-color);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Header Styles */
header {
    background-color: var(--white-color);
    box-shadow: var(--box-shadow);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
}

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

nav {
    display: flex;
    align-items: center;
}

.menu {
    display: flex;
    list-style: none;
}

.menu li {
    margin-left: 2rem;
}

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

.menu a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.menu a:not(.btn):hover {
    color: var(--primary-color);
}

.menu a:not(.btn):hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 10;
}

.menu-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--dark-color);
    border-radius: 10px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(to right, rgba(236, 239, 241, 0.9), rgba(236, 239, 241, 0.7)), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="300" height="300" viewBox="0 0 300 300"><rect width="300" height="300" fill="none"/><circle cx="150" cy="150" r="100" fill="%2300BCD4" fill-opacity="0.1"/><circle cx="150" cy="150" r="50" fill="%233F51B5" fill-opacity="0.1"/></svg>');
    background-repeat: repeat;
    padding: 8rem 0 5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background-color: var(--primary-color);
    opacity: 0.1;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    opacity: 0.1;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: var(--white-color);
}

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

.card {
    background-color: var(--white-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.card:hover {
    transform: translateY(-10px);
    border-bottom: 3px solid var(--primary-color);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    margin-bottom: 1.5rem;
}

/* Technology Section */
.technology {
    padding: 5rem 0;
    background-color: var(--light-color);
    position: relative;
    overflow: hidden;
}

.technology::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 188, 212, 0.1) 0%, rgba(236, 239, 241, 0) 70%);
}

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

.tech-list {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.tech-list li {
    margin-bottom: 0.5rem;
    color: var(--gray-color);
}

.tech-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* About Section */
.about {
    padding: 5rem 0;
    background-color: var(--white-color);
    text-align: center;
}

.about p {
    max-width: 800px;
    margin: 0 auto 1.5rem;
}

.cta-center {
    margin-top: 2.5rem;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--gray-color);
    margin-top: 1rem;
    font-size: 0.9rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.link-group h4 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.link-group ul {
    list-style: none;
}

.link-group li {
    margin-bottom: 0.75rem;
}

.link-group a {
    color: var(--gray-color);
    transition: var(--transition);
}

.link-group a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--gray-color);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.footer-icon {
    display: flex;
    align-items: center;
}

/* Responsive Styles */
@media screen and (max-width: 992px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .tech-info {
        grid-template-columns: 1fr;
    }
    
    .tech-visual {
        margin-top: 2rem;
        order: 2;
    }
}

@media screen and (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--white-color);
        flex-direction: column;
        padding: 6rem 2rem 2rem;
        transition: var(--transition);
        box-shadow: 5px 0 15px rgba(0, 0, 0, 0.1);
        z-index: 5;
    }
    
    .menu.active {
        left: 0;
    }
    
    .menu li {
        margin: 1rem 0;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .feature-cards {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
    }
    
    .footer-icon {
        margin-top: 1rem;
    }
}