/* Base Reset & Variables */
:root {
    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --accent: #22c55e;
    --accent-hover: #16a34a;
    --border-color: #333333;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

p {
    color: var(--text-secondary);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 6rem 0;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

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

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

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
    border-bottom: 1px solid var(--border-color);
}

.hero-content {
    max-width: 800px;
}

.hero-tagline {
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.hero h1 {
    margin-bottom: 1.5rem;
}

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

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 600px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--bg-primary);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    margin-left: 1rem;
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Services Section */
.services {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-tertiary);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.service-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.service-icon {
    width: 48px;
    height: 48px;
    background-color: var(--accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.service-card h3 {
    color: var(--text-primary);
}

.service-card p {
    font-size: 0.95rem;
}

/* Approach Section */
.approach {
    border-bottom: 1px solid var(--border-color);
}

.approach-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.approach-text h2 {
    margin-bottom: 1.5rem;
}

.approach-text p {
    margin-bottom: 1rem;
}

.approach-list {
    list-style: none;
}

.approach-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

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

.approach-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
    display: block;
}

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

/* CTA Section */
.cta {
    background-color: var(--bg-secondary);
    text-align: center;
}

.cta h2 {
    margin-bottom: 1rem;
}

.cta p {
    max-width: 500px;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
}

.cta-email {
    font-size: 1.25rem;
    color: var(--accent);
    font-weight: 600;
}

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

footer p {
    font-size: 0.9rem;
}

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

    .hero {
        padding-top: 6rem;
        text-align: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .btn-secondary {
        margin-left: 0;
        margin-top: 1rem;
        display: block;
        width: fit-content;
        margin-left: auto;
        margin-right: auto;
    }

    .btn-primary {
        display: block;
        width: fit-content;
        margin-left: auto;
        margin-right: auto;
    }

    .approach-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .approach-stats {
        order: -1;
    }

    section {
        padding: 4rem 0;
    }
}
