:root {
    --brand-primary: #0F172A;
    --brand-accent: #38BDF8;
    --accent-hover: #0ea5e9;
    --bg-light: #F3F4F6;
    --bg-white: #FFFFFF;
    --text-main: #1F2937;
    --text-secondary: #374151;
    --border-light: #E5E7EB;
    --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Merriweather', serif;
    color: var(--text-main);
    background-color: var(--bg-white);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    color: var(--brand-accent);
    font-weight: 700;
    line-height: 1.2;
}

.display-1, .display-2 {
    font-weight: 800;
    letter-spacing: -0.02em;
}

.lead {
    font-family: 'Merriweather', serif;
    font-weight: 400;
    font-size: 1.25rem;
}

a {
    color: var(--brand-accent);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-hover);
}

.btn {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: 0.5rem;
    transition: var(--transition);
    border: none;
    letter-spacing: 0.01em;
}

.btn-primary {
    background-color: var(--brand-accent);
    color: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--bg-white);
}

.btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--bg-white);
    transform: translateY(-2px);
}

.section-padding {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

@media (max-width: 768px) {
    .section-padding {
        padding-top: 3rem;
        padding-bottom: 3rem;
    }
}

.card {
    border: none;
    border-radius: 1rem;
    overflow: hidden;
    transition: var(--transition);
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    height: 100%;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    width: 64px;
    height: 64px;
    border-radius: 1rem;
    background: linear-gradient(135deg, #38BDF8, #0ea5e9);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.card-icon i {
    font-size: 1.75rem;
    color: white;
}

.hero-gradient {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #334155 100%);
    position: relative;
    overflow: hidden;
}

.hero-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(56, 189, 248, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(56, 189, 248, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.nav-gradient {
    background: linear-gradient(to right, #0F172A, #1E293B);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.service-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(56, 189, 248, 0.1);
    color: var(--brand-accent);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 3rem;
    background: linear-gradient(135deg, #38BDF8, #0ea5e9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

::selection {
    background-color: rgba(56, 189, 248, 0.2);
    color: var(--brand-primary);
}

.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: var(--brand-accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
}

/* *********** */
.image-placeholder {
    background: linear-gradient(135deg, var(--bg-light), #E5E7EB);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.1) 50%, transparent 60%);
    animation: shimmer 2s infinite linear;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.image-placeholder i {
    font-size: 3rem;
    color: var(--border-light);
    z-index: 1;
}

.feature-image {
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.feature-image:hover {
    transform: scale(1.02);
}

.image-caption {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    text-align: center;
}

/* Floating elements for visual interest */
.floating-element {
    position: absolute;
    border-radius: 50%;
    background: var(--brand-accent);
    opacity: 0.1;
    z-index: 0;
}

/* Gradient text */
.gradient-text {
    background: linear-gradient(135deg, var(--brand-accent), #0ea5e9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Modern card variations */
.card-hover {
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.card-hover:hover {
    border-color: var(--brand-accent);
    transform: translateY(-5px);
}

/* Stats counter animation */
.counter {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
}