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

:root {
    --primary-color: #FFD700;
    --primary-dark: #FFA500;
    --secondary-color: #FF8C00;
    --accent-color: #32CD32;
    --yellow-bright: #FFFF00;
    --yellow-warm: #FFE135;
    --yellow-gold: #FFD700;
    --yellow-amber: #FFBF00;
    --orange-sunset: #FF6B35;
    --text-primary: #2D2D2D;
    --text-secondary: #5A5A5A;
    --text-light: #8A8A8A;
    --bg-primary: #FFFFFF;
    --bg-secondary: #FFFEF7;
    --bg-dark: #2D2D2D;
    --border-color: #F0F0F0;
    --shadow-sm: 0 1px 2px 0 rgba(255, 215, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(255, 215, 0, 0.15);
    --shadow-lg: 0 10px 15px -3px rgba(255, 215, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(255, 215, 0, 0.25);
    --gradient-primary: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    --gradient-secondary: linear-gradient(135deg, #FFFF00 0%, #FFD700 100%);
    --gradient-warm: linear-gradient(135deg, #FFE135 0%, #FF6B35 100%);
    --gradient-sunset: linear-gradient(135deg, #FF8C00 0%, #FF4500 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 28px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
    text-shadow: 0 1px 3px rgba(255, 215, 0, 0.3);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
    box-shadow: 0 1px 3px rgba(255, 215, 0, 0.4);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 40%, #FF8C00 70%, #FF6B35 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    color: #2D2D2D;
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(255, 255, 0, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(255, 140, 0, 0.2) 0%, transparent 50%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    background: linear-gradient(45deg, #FFFF00, #FF8C00);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 2px 2px 4px rgba(255, 215, 0, 0.3);
    font-weight: 800;
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(45, 45, 45, 0.8);
    margin-bottom: 40px;
    line-height: 1.6;
    font-weight: 500;
}

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

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #2D2D2D;
    font-weight: 700;
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(255, 215, 0, 0.5), 0 4px 15px rgba(255, 140, 0, 0.3);
    filter: brightness(1.1);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: #2D2D2D;
    border: 2px solid rgba(255, 215, 0, 0.5);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 1);
    border-color: var(--yellow-gold);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
}

/* Phone Mockup */
.hero-image {
    display: flex;
    justify-content: center;
    animation: fadeInRight 1s ease 0.3s both;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: #1F2937;
    border-radius: 40px;
    padding: 8px;
    box-shadow: var(--shadow-xl);
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 5px;
    background: #374151;
    border-radius: 3px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 32px;
    overflow: hidden;
}

.app-preview {
    padding: 30px 20px;
    height: 100%;
    background: linear-gradient(135deg, #FFFEF7 0%, #FFF8DC 100%);
}

.app-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
    font-weight: 600;
    color: var(--primary-color);
}

.app-header i {
    font-size: 24px;
}

.pet-card {
    background: white;
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 15px;
}

.pet-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
}

.pet-info h4 {
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.pet-info p {
    color: var(--text-secondary);
    font-size: 14px;
}

.app-btn {
    width: 100%;
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(255, 215, 0, 0.15), 0 5px 15px rgba(255, 140, 0, 0.1);
    border-color: rgba(255, 215, 0, 0.3);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #2D2D2D;
    font-size: 28px;
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.3);
    position: relative;
}

.feature-icon::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient-warm);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover .feature-icon::before {
    opacity: 1;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* How it Works Section */
.how-it-works {
    padding: 100px 0;
    background: white;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: #2D2D2D;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.4);
    border: 3px solid rgba(255, 255, 0, 0.3);
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.step-icon {
    font-size: 40px;
    color: var(--yellow-amber);
    opacity: 0.8;
    filter: drop-shadow(0 2px 4px rgba(255, 191, 0, 0.3));
}

/* Stats Section */
.stats {
    padding: 80px 0;
    background: var(--bg-dark);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--yellow-gold);
    margin-bottom: 10px;
    display: block;
    text-shadow: 0 2px 8px rgba(255, 215, 0, 0.5);
}

.stat-label {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.app-stores {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.store-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 15px 25px;
    border-radius: 12px;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.store-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
    border-color: rgba(255, 215, 0, 0.5);
}

.store-btn i {
    font-size: 32px;
}

.store-btn div {
    text-align: left;
}

.store-btn span {
    display: block;
    font-size: 12px;
    opacity: 0.8;
}

.store-btn strong {
    display: block;
    font-size: 16px;
    font-weight: 600;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--secondary-color);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 20px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--gradient-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 5px;
}

.contact-info i {
    color: var(--yellow-gold);
    width: 20px;
    filter: drop-shadow(0 1px 3px rgba(255, 215, 0, 0.3));
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .phone-mockup {
        width: 240px;
        height: 480px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .app-stores {
        flex-direction: column;
        align-items: center;
    }
    
    .store-btn {
        width: 200px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}