:root {
    --color-primary: #1a1a2e;
    --color-secondary: #16213e;
    --color-accent: #4db8ff;
    --color-accent-hover: #3aa0e6;
    --color-text: #333;
    --color-muted: #6c757d;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--color-text);
}

/* Navbar */
.navbar {
    background-color: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    transition: background-color 0.3s;
}

.navbar-brand {
    font-size: 1.4rem;
}

.text-accent {
    color: var(--color-accent) !important;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--color-accent) !important;
}

/* Hero */
.hero-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, #0f3460 100%);
    min-height: 100vh;
    padding-top: 80px;
}

.hero-section h1 {
    letter-spacing: -0.5px;
}

/* Buttons */
.btn-accent {
    background-color: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.2s, transform 0.2s;
}

.btn-accent:hover {
    background-color: var(--color-accent-hover);
    color: #fff;
    transform: translateY(-1px);
}

/* Sections */
.section-title {
    font-weight: 700;
    color: var(--color-primary);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    margin: 12px auto 0;
    border-radius: 2px;
}

/* Service cards */
.service-card {
    border-radius: 12px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12) !important;
}

.service-icon {
    font-size: 2.5rem;
}

/* Steps */
.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #fff;
    font-size: 1.3rem;
    font-weight: 700;
}

/* Contact form */
.form-control:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 0.2rem rgba(77, 184, 255, 0.25);
}

/* Footer */
footer a {
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}