/* Critical CSS for above-the-fold content - Improves LCP and FCP */

:root {
    --black: #000000;
    --white: #ffffff;
    --teal: #3AAEAA;
    --dark: #172B2B;
    --light-gray: #f5f5f5;
    --teal-light: #4BC3BD;
    --teal-dark: #2A8A85;
    --dark-light: #2A3F45;
    --accent-gold: #FFD700;
    --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 20px rgba(0,0,0,0.15);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

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

body {
    font-family: 'Oceanwide Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    overflow-x: hidden;
}

/* Critical header styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: var(--shadow-light);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--dark);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo img {
    height: 35px;
    margin-right: 0.5rem;
}

/* Critical hero styles */
.hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    color: var(--white);
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(58, 175, 170, 0.1) 0%, rgba(23, 37, 43, 0.95) 100%);
    z-index: 1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 100%;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    margin-bottom: 2rem;
    color: var(--white);
    line-height: 1.1;
    font-weight: 700;
}

.hero-highlight {
    color: var(--teal);
    position: relative;
}

.hero p {
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* Critical CTA button styles */
.cta-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
    min-width: 160px;
}

.btn-primary {
    background: var(--teal);
    color: var(--white);
    border: 2px solid var(--teal);
}

.btn-primary:hover {
    background: var(--teal-dark);
    border-color: var(--teal-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Critical container styles */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Critical section styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 1.5rem;
    color: var(--dark);
    font-weight: 700;
}

.section-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: #5a6c7d;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Critical responsive styles */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .btn-primary, .btn-secondary {
        min-width: 140px;
        padding: 0.875rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero h1 {
        font-size: clamp(2.5rem, 8vw, 4rem);
    }
    
    .hero p {
        font-size: clamp(1rem, 3vw, 1.3rem);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 280px;
    }
}