/* Base Styles & Reset */
:root {
    --bg-color: #ffffff;
    --text-color: #2d3436;
    --accent-color: #0984e3;
    --secondary-color: #636e72;
    --hero-bg: #f5f6fa;
    --card-bg: #ffffff;
    --border-color: #dfe6e9;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Nav */
header {
    background: rgba(255, 255, 255, 0.95);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

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

nav ul li {
    margin-left: 2rem;
}

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

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

/* Hero Section */
#hero {
    background-color: var(--hero-bg);
    padding: 8rem 0 6rem;
    text-align: center;
}

#hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #2d3436;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: transform 0.3s, background-color 0.3s;
}

.cta-button:hover {
    background-color: #0773c5;
    transform: translateY(-2px);
}

/* Sections General */
section {
    padding: 6rem 0;
}

section h2 {
    font-size: 2rem;
    margin-bottom: 3rem;
    text-align: center;
}

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

.service-card {
    padding: 2.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: box-shadow 0.3s, transform 0.3s;
}

.service-card:hover {
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    transform: translateY(-5px);
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

/* Approach Section */
#approach {
    background-color: #2d3436;
    color: white;
}

#approach h2 {
    color: white;
}

.approach-content {
    max-width: 800px;
    margin: 0 auto;
}

.approach-content ul {
    margin-top: 2rem;
    list-style: none;
}

.approach-content ul li {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.approach-content ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* Contact Section */
#contact {
    text-align: center;
}

.email-link {
    display: block;
    font-size: 1.5rem;
    color: var(--accent-color);
    text-decoration: none;
    margin-top: 2rem;
    font-weight: 700;
}

.email-link:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    padding: 3rem 0;
    background-color: var(--hero-bg);
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--secondary-color);
    font-size: 0.9rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 2rem;
    height: 1.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.menu-toggle span {
    width: 2rem;
    height: 0.25rem;
    background: var(--text-color);
    border-radius: 10px;
    transition: all 0.3s linear;
    position: relative;
    transform-origin: 1px;
}

/* Responsive */
@media (max-width: 768px) {
    #hero h1 {
        font-size: 2.25rem;
    }
    
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        border-bottom: 1px solid var(--border-color);
        padding: 1rem 0;
        box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 1rem 0;
        text-align: center;
        width: 100%;
    }

    .nav-links li {
        margin-left: 0;
    }
}