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

:root {
    --primary-black: #1a1a1a;
    --secondary-black: #2d2d2d;
    --primary-orange: #ff6b35;
    --light-orange: #ff8c61;
    --bg-light: #f8f8f8;
    --text-gray: #666;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--primary-black);
}

/* Header */
header {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
}

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

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

.logo .dots {
    color: var(--primary-orange);
    letter-spacing: 2px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: var(--primary-black);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 100%);
    color: white;
    padding: 6rem 2rem;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero .highlight {
    color: var(--primary-orange);
}

.hero p {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    color: #ddd;
}

.cta-button {
    display: inline-block;
    background: var(--primary-orange);
    color: white;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background 0.3s, transform 0.2s;
}

.cta-button:hover {
    background: var(--light-orange);
    transform: translateY(-2px);
}

/* Sections */
section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-black);
}

section h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--primary-orange);
    margin-top: 0.5rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(255, 107, 53, 0.2);
}

.service-card h3 {
    color: var(--primary-black);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-card .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* About Section */
#about {
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1rem;
    color: var(--text-gray);
}

.stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-orange);
}

.stat-label {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Contact Section */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input, textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    transition: border-color 0.3s;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-orange);
}

textarea {
    min-height: 150px;
    resize: vertical;
}

button[type="submit"] {
    background: var(--primary-orange);
    color: white;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

button[type="submit"]:hover {
    background: var(--light-orange);
}

/* Footer */
footer {
    background: var(--primary-black);
    color: white;
    text-align: center;
    padding: 2rem;
}

footer a {
    color: var(--primary-orange);
    text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
    nav ul {
        display: none;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .stats {
        flex-direction: column;
    }
}

/* Smooth scroll with offset for sticky header */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

/* Orange link class - use when needed */
.orange-link {
    color: var(--primary-orange);
    text-decoration: none;
    transition: color 0.3s;
}

.orange-link:hover {
    color: var(--light-orange);
    text-decoration: underline;
}

.orange-link:visited {
    color: var(--primary-orange);
}