:root {
    --primary: #F87C63; /* Petiverse Orange */
    --primary-gradient: linear-gradient(135deg, #F87C63 0%, #E66B4A 100%);
    --secondary: #6366F1; /* Indigo */
    --bg-color: #F8FAFC;
    --text-main: #1E293B;
    --text-muted: #64748B;
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --radius: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    scroll-behavior: smooth;
}

/* Background Blobs */
.blob {
    position: absolute;
    filter: blur(90px);
    z-index: -1;
    opacity: 0.6;
    border-radius: 50%;
    animation: drift 15s infinite alternate ease-in-out;
}

.blob-1 {
    width: 50vw;
    height: 50vw;
    background: #F87C63;
    top: -10vw;
    left: -10vw;
}

.blob-2 {
    width: 40vw;
    height: 40vw;
    background: #A1C4FD;
    bottom: 20%;
    right: -10vw;
    animation-delay: -5s;
}

.blob-3 {
    width: 30vw;
    height: 30vw;
    background: #FFECB3;
    top: 40%;
    left: 20%;
    animation-delay: -10s;
}

@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, -50px) scale(1.1); }
}

/* Common Classes */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.text-center { text-align: center; }
.mt-4 { margin-top: 1.5rem; }
.justify-center { justify-content: center; }

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn i { font-size: 1.3rem; }

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(248, 124, 99, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(248, 124, 99, 0.5);
}

.btn-secondary {
    background: white;
    color: var(--text-main);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: var(--radius);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
}

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

.language-switch {
    display: flex;
    background: rgba(0,0,0,0.05);
    border-radius: 20px;
    padding: 4px;
}

.lang-btn {
    border: none;
    background: transparent;
    padding: 6px 14px;
    border-radius: 16px;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
}

.lang-btn.active {
    background: white;
    color: var(--primary);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: 20px;
    color: var(--text-main);
}

.hero h1 .highlight {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* Mockup CSS */
.phone-mockup {
    width: 320px;
    height: 640px;
    border-radius: 40px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    border: 8px solid white;
    box-shadow: 0 30px 60px rgba(0,0,0,0.1);
    transform: rotate(5deg);
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.phone-mockup:hover {
    transform: rotate(0deg) translateY(-10px);
}

.mockup-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 700;
    color: var(--primary);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.mockup-body {
    flex: 1;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pet-card {
    flex: 1;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    margin-bottom: 20px;
}

.pet-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    box-shadow: 0 10px 20px rgba(255, 123, 156, 0.3);
}

.pet-name { font-size: 1.8rem; margin-bottom: 5px; }
.pet-breed { color: var(--text-muted); font-size: 1rem; }

.swipe-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.action-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.action-btn.pass { color: #f43f5e; background: white; }
.action-btn.like { color: #10b981; background: white; }

.action-btn:hover {
    transform: scale(1.1);
}

/* Sections */
.section-padding { padding: 100px 0; }

.section-title {
    font-size: 3rem;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    padding: 40px 30px;
    text-align: center;
    transition: transform var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin: 0 auto 20px;
    box-shadow: 0 10px 20px rgba(255, 123, 156, 0.3);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-muted);
}

/* CTA Section */
.cta-card {
    text-align: center;
    padding: 60px 40px;
}

.cta-card h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-card p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}

/* Footer */
.footer {
    background: white;
    padding: 60px 0 20px;
    border-top: 1px solid rgba(0,0,0,0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.footer-text { color: var(--text-muted); }

.footer-links, .footer-social {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer h4 { font-size: 1.2rem; margin-bottom: 10px; }

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

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

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.2rem;
}

.social-icons a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(0,0,0,0.05);
    color: var(--text-muted);
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-left {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Responsive */
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        padding-top: 150px;
        text-align: center;
    }
    
    .hero h1 { font-size: 3rem; }
    
    .hero p { margin: 0 auto 30px; }
    
    .hero-buttons { justify-content: center; }
    
    .nav-links { display: none; } /* Could add a hamburger menu, but keeping it simple for now */
}