:root {
    --primary: #2c3e50;
    --secondary: #e74c3c;
    --accent: #3498db;
    --light: #ecf0f1;
    --dark: #1a252f;
    --success: #27ae60;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--primary);
    padding-top: 80px;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    background: rgba(26, 37, 47, 0.95) !important;
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: white !important;
    letter-spacing: -0.5px;
}

.navbar-brand span {
    color: var(--secondary);
}

.nav-link {
    color: rgba(255,255,255,0.85) !important;
    font-weight: 600;
    margin: 0 0.5rem;
    padding: 0.5rem 1rem !important;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.nav-link:hover {
    color: white !important;
    background: rgba(255,255,255,0.1);
}

.nav-link.active {
    color: white !important;
    background: var(--secondary) !important;
}

/* Page Header */
.page-header {
    background: var(--secondary);
    padding: 4rem 0 3rem;
    color: white;
    text-align: center;
}

.page-header h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.3rem;
    opacity: 0.95;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(circle, rgba(231, 76, 60, 0.1) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(5deg); }
    66% { transform: translate(-20px, 20px) rotate(-5deg); }
}

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

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out;
}

.hero p {
    font-size: 1.4rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 3rem;
    font-family: 'Lora', serif;
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

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

/* Section Cards */

.sections-grid {
    padding: 6rem 0;
    background: var(--light);
}

.section-card {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    height: 100%;
    transition: all 0.4s ease;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    cursor: pointer;
    text-decoration: none;
    display: block;
    color: inherit;
    position: relative;
    overflow: hidden;
}

.section-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--secondary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.section-card:hover::before {
    transform: scaleX(1);
}

.section-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    text-decoration: none;
}

.section-card.professional::before { background: #3498db; }
.section-card.travel::before { background: #e74c3c; }
.section-card.personal::before { background: #9b59b6; }
.section-card.petsitter::before { background: #27ae60; }

.section-icon {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: white;
}

.section-card.professional .section-icon { background: linear-gradient(135deg, #3498db, #2980b9); }
.section-card.travel .section-icon { background: linear-gradient(135deg, #e74c3c, #c0392b); }
.section-card.personal .section-icon { background: linear-gradient(135deg, #9b59b6, #8e44ad); }
.section-card.petsitter .section-icon { background: linear-gradient(135deg, #27ae60, #229954); }

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    --color: var(--primary);
}

.section-description {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.section-features {
    list-style: none;
    padding: 0;
}

.section-features li {
    padding: 0.5rem 0;
    color: #555;
    position: relative;
    padding-left: 1.5rem;
}

.section-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
}

/* Footer */
footer {
    background: var(--dark);
    color: rgba(255,255,255,0.8);
    padding: 3rem 0 1.5rem;
}

.footer-social a {
    color: rgba(255,255,255,0.7);
    font-size: 1.5rem;
    margin: 0 1rem;
    transition: color 0.3s ease;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .section-card {
        margin-bottom: 2rem;
    }
}