/* ======================================
   LOGO COLOR PALETTE - ENHANCED VERSION
   Màu sắc được lấy từ logo Workfast
   ====================================== */

:root {
    /* Logo Colors - Updated to Sky Blue */
    --workfast-red: #4FC3F7;       /* Light Sky Blue */
    --workfast-red-dark: #0288D1;  /* Dark Sky Blue */
    --workfast-red-light: #81D4FA; /* Lighter Sky Blue */
    
    --workfast-green: #FF6B6B;         /* Light Coral Red */
    --workfast-green-dark: #FF5252;    /* Darker Coral */
    --workfast-green-light: #FF8A80;   /* Lighter Coral */
    
    /* Gray Tones from Logo */
    --workfast-gray: #4A4A4A;
    --workfast-gray-light: #8A8A8A;
    --workfast-gray-lighter: #D1D1D1;
    
    /* Semantic Colors */
    --primary-color: var(--workfast-red);     /* Sky Blue */
    --secondary-color: var(--workfast-green); /* Green */
    --accent-color: var(--workfast-red-light); /* Light Sky Blue */
    
    /* Gradient Variations */
    --gradient-primary: linear-gradient(135deg, var(--workfast-red) 0%, var(--workfast-green) 100%);     /* Sky Blue to Green */
    --gradient-reverse: linear-gradient(135deg, var(--workfast-green) 0%, var(--workfast-red) 100%);     /* Green to Sky Blue */
    --gradient-diagonal: linear-gradient(45deg, var(--workfast-red) 0%, var(--workfast-green) 50%, var(--workfast-red-light) 100%); /* Multi-color */
    
    /* Background Overlays */
    --overlay-red: rgba(79, 195, 247, 0.08);      /* Sky Blue overlay */
    --overlay-green: rgba(255, 107, 107, 0.08);   /* Coral overlay */
    --overlay-red-medium: rgba(79, 195, 247, 0.15); /* Sky Blue medium */
    --overlay-green-medium: rgba(255, 107, 107, 0.15); /* Coral medium */
}

/* ======================================
   HERO SECTIONS - COLOR ENHANCED
   ====================================== */

.hero-section {
    position: relative;
    background: var(--gradient-primary);
    padding: 120px 0 80px;
    color: white;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(0, 0, 0, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.hero-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-image-overlay img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
    mix-blend-mode: overlay;
}

/* ======================================
   BUTTONS - ENHANCED STYLES
   ====================================== */

.cta-button, .btn-primary {
    background: var(--gradient-primary);
    color: white;
    padding: 16px 40px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(79, 195, 247, 0.3);
}

.cta-button::before, .btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button:hover::before, .btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button:hover, .btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 30px rgba(79, 195, 247, 0.4); /* Sky Blue shadow */
}

.btn-secondary {
    background: var(--gradient-reverse);
    color: white;
    padding: 16px 40px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s ease;
    box-shadow: 0 8px 20px rgba(255, 107, 107, 0.3); /* Coral shadow */
}

.btn-secondary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 30px rgba(255, 107, 107, 0.4); /* Coral shadow */
}

/* ======================================
   CARDS - ENHANCED WITH LOGO COLORS
   ====================================== */

.service-card, .value-card, .package-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.service-card::before, .value-card::before, .package-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover::before, 
.value-card:hover::before, 
.package-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover, .value-card:hover, .package-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(79, 195, 247, 0.15); /* Sky Blue shadow */
}

.service-card .icon, .value-card .value-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
    margin: 0 auto 24px;
    box-shadow: 0 8px 20px rgba(79, 195, 247, 0.3); /* Sky Blue shadow */
    animation: icon-float 3s ease-in-out infinite;
}

@keyframes icon-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ======================================
   SECTION HEADERS - ENHANCED
   ====================================== */

.section h2 {
    position: relative;
    display: inline-block;
    padding-bottom: 16px;
    margin-bottom: 40px;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* ======================================
   STATS COUNTER - ANIMATED
   ====================================== */

.stats-section {
    background: var(--gradient-primary);
    color: white;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.stat-card {
    text-align: center;
    padding: 32px;
}

.stat-number {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.7) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ======================================
   TESTIMONIALS - ENHANCED
   ====================================== */

.testimonial-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    margin: 16px;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 32px;
    font-size: 120px;
    color: var(--workfast-red);
    opacity: 0.1;
    font-family: Georgia, serif;
    line-height: 1;
}

/* ======================================
   RESPONSIVE ADJUSTMENTS
   ====================================== */

@media (max-width: 768px) {
    .hero-section {
        padding: 80px 0 60px;
    }
    
    .cta-button, .btn-primary, .btn-secondary {
        padding: 14px 32px;
        font-size: 15px;
    }
    
    .service-card .icon, .value-card .value-icon {
        width: 64px;
        height: 64px;
        font-size: 28px;
    }
    
    .stat-number {
        font-size: 42px;
    }
}