/* styles.css */

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

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;
    --bg-tertiary: #efefef;
    --text-primary: #1d1d1f;
    --text-secondary: #6f6f77;
    --text-tertiary: #a1a1a6;
    --accent: #0071e3;
    --accent-hover: #0077ed;
    --border: #d5d5d7;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #000000;
        --bg-secondary: #1d1d1f;
        --bg-tertiary: #2a2a2c;
        --text-primary: #f5f5f7;
        --text-secondary: #a1a1a6;
        --text-tertiary: #6f6f77;
        --border: #424245;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    letter-spacing: -0.022em;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

@media (prefers-color-scheme: dark) {
    nav {
        background-color: rgba(0, 0, 0, 0.7);
    }
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 20px;
}

.nav-logo {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 15px;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

/* Hero Section */
.hero {
    margin-top: 60px;
    padding: 80px 20px;
    text-align: center;
    background-color: var(--bg-primary);
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.hero p {
    font-size: 21px;
    color: var(--text-secondary);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.4;
}

.cta-button {
    display: inline-block;
    padding: 12px 32px;
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 980px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

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

.cta-button:active {
    transform: translateY(0);
}

/* Hero Image */
.hero-image {
    margin-top: 64px;
    width: 100%;
    max-width: 800px;
    background-color: var(--bg-secondary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 15px;
    margin-left: auto;
    margin-right: auto;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Sections */
section {
    padding: 80px 20px;
    border-top: 1px solid var(--border);
}

section h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.025em;
}

section p {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 800px;
    line-height: 1.5;
}

/* About Section */
.about {
    background-color: var(--bg-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-top: 48px;
}

.about-text h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: -0.024em;
}

.about-text p {
    margin-bottom: 20px;
}

.about-image {
    width: 100%;
    background-color: var(--bg-secondary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 15px;
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* Services Section */
.services {
    background-color: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 48px;
}

.service-card {
    background-color: var(--bg-primary);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border);
}

.service-card h3 {
    font-size: 21px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: -0.022em;
}

.service-card p {
    font-size: 15px;
    color: var(--text-secondary);
}

/* Why Choose Section */
.why-choose {
    background-color: var(--bg-primary);
}

.benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 48px;
}

.benefit-item {
    padding: 20px 0;
}

.benefit-item h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 12px;
}

.benefit-item p {
    font-size: 15px;
    color: var(--text-secondary);
}

/* Testimonial Section */
.testimonials {
    background-color: var(--bg-secondary);
}

.testimonials h2 {
    margin-bottom: 48px;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.testimonial-card {
    background-color: var(--bg-primary);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border);
}

.testimonial-text {
    font-size: 17px;
    line-height: 1.6;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.testimonial-author {
    font-size: 15px;
    font-weight: 600;
}

.testimonial-role {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Contact Section */
.contact {
    background-color: var(--bg-primary);
    text-align: center;
}

.contact h2 {
    margin-bottom: 32px;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 40px;
}

.contact-method {
    padding: 20px;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.contact-label {
    font-size: 13px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.contact-method a {
    font-size: 17px;
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

.contact-method a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 40px 20px;
    text-align: center;
    font-size: 13px;
    color: var(--text-tertiary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 17px;
    }

    section h2 {
        font-size: 28px;
    }

    section {
        padding: 60px 20px;
    }

    .about-content {
        gap: 40px;
    }
}