:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --dark: #0f172a;
    --slate: #334155;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --gray-border: #e2e8f0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--light-bg);
    color: var(--slate);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Nav */
.navbar {
    background-color: var(--white);
    border-bottom: 1px solid var(--gray-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
    text-decoration: none;
}

.logo span {
    color: var(--primary);
}

nav a {
    text-decoration: none;
    color: var(--slate);
    margin-left: 1.5rem;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--primary);
}

/* Buttons */
.btn-primary {
    background-color: var(--primary);
    color: var(--white) !important;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    transition: background-color 0.2s;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-secondary {
    background-color: transparent;
    color: var(--dark);
    border: 1px solid var(--gray-border);
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    margin-left: 0.5rem;
}

.btn-full {
    width: 100%;
    margin-top: 1rem;
}

/* Hero */
.hero {
    background-color: var(--white);
    padding: 5rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--gray-border);
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.75rem;
    color: var(--dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero h1 span {
    color: var(--primary);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Services */
.services-section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2rem;
    color: var(--dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--gray-border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

.service-card .icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.service-card h3 {
    color: var(--dark);
    margin-bottom: 0.5rem;
}

/* About Section */
.about-section {
    background-color: var(--dark);
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

.about-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.about-content p {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: #94a3b8;
}

/* Contact Section */
.contact-section {
    padding: 5rem 0;
}

.contact-card {
    background-color: var(--white);
    max-width: 600px;
    margin: 0 auto;
    padding: 2.5rem;
    border-radius: 10px;
    border: 1px solid var(--gray-border);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-border);
    border-radius: 6px;
    font-size: 1rem;
}

.feedback-msg {
    margin-top: 1rem;
    text-align: center;
    font-weight: 600;
    color: #16a34a;
}

/* Footer */
footer {
    background-color: var(--white);
    border-top: 1px solid var(--gray-border);
    padding: 2rem 0;
    text-align: center;
    font-size: 0.9rem;
}