/* 
   aipornteen.site - Modern CSS with Teal/Cyan Theme
   A fully responsive design with unique layout
*/

:root {
    --primary: #00bcd4;
    --primary-light: #b2ebf2;
    --primary-dark: #0097a7;
    --secondary: #009688;
    --secondary-light: #b2dfdb;
    --secondary-dark: #00796b;
    --text-dark: #263238;
    --text-medium: #546e7a;
    --text-light: #90a4ae;
    --white: #ffffff;
    --light-bg: #f5f5f5;
    --dark-bg: #37474f;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --shadow-sm: 0 2px 5px rgba(0,0,0,0.1);
    --shadow-md: 0 5px 15px rgba(0,0,0,0.15);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.2);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    font-size: 16px;
}

.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

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

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

ul {
    list-style: none;
}

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.highlight {
    color: var(--primary);
    font-weight: 600;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    padding-bottom: 0.5rem;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    height: 3px;
    width: 60px;
    background: var(--primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-medium);
}

/* Buttons */
.primary-button, .secondary-button {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 50px;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.primary-button {
    background: var(--gradient);
    color: var(--white);
    border: none;
    box-shadow: var(--shadow-sm);
}

.primary-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    color: var(--white);
}

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

.secondary-button:hover {
    background-color: var(--primary);
    color: var(--white);
}

.large-button {
    padding: 15px 35px;
    font-size: 1.1rem;
}

.glow {
    animation: glow 2s infinite alternate;
}

@keyframes glow {
    from {
        box-shadow: 0 0 5px rgba(0, 188, 212, 0.5);
    }
    to {
        box-shadow: 0 0 20px rgba(0, 188, 212, 0.8);
    }
}

/* Header Styles */
.site-header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.site-name {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--text-dark);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    cursor: pointer;
}

.nav-toggle .bar {
    width: 100%;
    height: 3px;
    background-color: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle.active .bar:nth-child(1) {
    transform: translateY(10.5px) rotate(45deg);
}

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

.nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-10.5px) rotate(-45deg);
}

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

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

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

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

.nav-button {
    background: var(--primary);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
}

.nav-button:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    padding: 6rem 0 4rem;
    background-color: var(--light-bg);
    position: relative;
    overflow: hidden;
}

.hero-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-medium);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
}

.hero-visual {
    position: relative;
    z-index: 1;
}

.hero-svg {
    width: 100%;
    height: auto;
}

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

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

.about-card {
    background-color: var(--light-bg);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

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

.card-icon {
    margin: 0 auto 1.5rem;
    width: 70px;
    height: 70px;
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

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

/* How It Works Section */
.how-section {
    padding: 5rem 0;
    background-color: var(--light-bg);
}

.steps-container {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.step:last-child {
    margin-bottom: 0;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 50px;
    left: 25px;
    width: 3px;
    height: calc(100% + 3rem);
    background-color: var(--primary-light);
    z-index: 0;
}

.step-number {
    background: var(--gradient);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 700;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.step-content h3 {
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-medium);
    margin-bottom: 0;
}

.cta-container {
    margin-top: 4rem;
    text-align: center;
}

.centered {
    display: flex;
    justify-content: center;
}

/* Examples Section */
.examples-section {
    padding: 5rem 0;
    background-color: var(--white);
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.example-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 250px;
}

.example-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.example-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    color: var(--white);
    opacity: 0;
    transition: var(--transition);
}

.example-item:hover .example-overlay {
    opacity: 1;
}

.example-overlay h3 {
    color: var(--white);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.example-overlay p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 0;
    font-size: 0.9rem;
}

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

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

.feature-item {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

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

.feature-icon {
    margin: 0 auto 1.5rem;
    width: 70px;
    height: 70px;
}

.feature-item h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

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

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background: var(--gradient);
    text-align: center;
    color: var(--white);
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .primary-button {
    background-color: var(--white);
    color: var(--primary);
}

.cta-section .primary-button:hover {
    background-color: var(--light-bg);
}

/* Footer */
.site-footer {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 5rem 0 2rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.footer-site-name {
    color: var(--white);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
}

.footer-about p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 1.5rem;
}

.footer-links h4,
.footer-legal h4 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
    padding-bottom: 0.5rem;
}

.footer-links h4::after,
.footer-legal h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary);
}

.footer-links ul,
.footer-legal ul {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links a,
.footer-legal a {
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
}

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

.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: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    margin-bottom: 0;
}

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

/* Responsive Design */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-section .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtitle {
        margin: 0 auto 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-about {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .main-navigation {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background-color: var(--white);
        padding: 6rem 2rem 2rem;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
        z-index: 999;
    }
    
    .main-navigation.active {
        right: 0;
    }
    
    .nav-menu {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .section-header h2 {
        font-size: 2.2rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        max-width: 250px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .step {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .step-number {
        margin: 0 auto;
    }
    
    .step:not(:last-child)::after {
        left: 50%;
        top: 50px;
        width: 3px;
        height: calc(100% + 3rem);
        transform: translateX(-50%);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-about {
        grid-column: span 1;
    }
    
    .footer-logo,
    .footer-links h4::after,
    .footer-legal h4::after {
        margin-left: auto;
        margin-right: auto;
    }
    
    .footer-links h4::after,
    .footer-legal h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .section-header h2 {
        font-size: 2rem;
    }
    
    .about-cards,
    .examples-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
}