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

:root {
    --primary-color: #1f7d3d;
    --secondary-color: #5aa36d;
    --accent-color: #f2c94c;
    --dark-bg: #101820;
    --light-bg: #f4f7f2;
    --text-dark: #1f2933;
    --text-light: #ffffff;
    --border-color: #d7e1d4;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #ffffff;
}

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

.navbar {
    background-color: var(--dark-bg);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.12);
}

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

.nav-brand {
    font-size: 1.7rem;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.8rem;
}

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--secondary-color);
}

.hero {
    min-height: 580px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 100px 0;
    background: linear-gradient(135deg, #0f1d17 0%, #1f3c22 100%);
    color: var(--text-light);
}

.hero-mobileworks::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.08), transparent 30%),
                radial-gradient(circle at bottom left, rgba(90, 163, 109, 0.15), transparent 35%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 1rem;
    color: var(--secondary-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero h1 {
    font-size: 3.8rem;
    margin-bottom: 1rem;
    line-height: 1.05;
    letter-spacing: 2px;
}

.subtitle {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.85);
}

.tagline {
    font-size: 1.05rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.78);
}

.cta-button {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--text-light);
    border: none;
    padding: 16px 38px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 15px 40px rgba(31, 125, 61, 0.28);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 45px rgba(31, 125, 61, 0.34);
}

.advantages-section,
.benefits-section,
.why-section,
.contact-section {
    padding: 80px 0;
    background-color: var(--light-bg);
}

.advantages-section h2,
.benefits-section h2,
.why-section h2,
.contact-section h2 {
    text-align: center;
    margin-bottom: 2.5rem;
    font-size: 2.6rem;
}

.advantages-grid,
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.8rem;
}

.advantage-card,
.why-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(31, 125, 61, 0.08);
    border-top: 4px solid var(--primary-color);
}

.advantage-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.advantage-card h3,
.why-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.advantage-card p,
.why-card li,
.benefit-content p {
    color: #4a5755;
    line-height: 1.8;
}

.advantage-card ul,
.why-card ul {
    list-style: none;
    padding-left: 0;
}

.why-card li {
    padding-bottom: 0.6rem;
}

.benefits-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    gap: 1.3rem;
    padding: 1.6rem;
    background-color: #ffffff;
    border-left: 4px solid var(--secondary-color);
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(4px);
    box-shadow: 0 12px 24px rgba(31, 125, 61, 0.12);
}

.benefit-number {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--secondary-color);
    min-width: 60px;
}

.benefit-content h3 {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.contact-section {
    background-color: #eef4ea;
}

.contact-intro {
    text-align: center;
    color: #606f68;
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.contact-form {
    max-width: 620px;
    margin: 0 auto;
    background: white;
    padding: 2.2rem;
    border-radius: 16px;
    box-shadow: 0 12px 35px rgba(31, 125, 61, 0.10);
}

.form-group {
    margin-bottom: 1.4rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.6rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.95rem 1rem;
    border: 1.8px solid var(--border-color);
    border-radius: 12px;
    font-size: 0.99rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(31, 125, 61, 0.12);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.submit-button {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-light);
    border: none;
    padding: 1rem;
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(31, 125, 61, 0.3);
}

.form-message {
    margin-top: 1.4rem;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    display: block;
    background-color: #dff3de;
    color: #20672c;
    border: 1px solid #b7ddaa;
    padding: 1rem;
    border-radius: 10px;
}

.form-message.error {
    display: block;
    background-color: #fdecea;
    color: #8a1f1f;
    border: 1px solid #f2c3c0;
    padding: 1rem;
    border-radius: 10px;
}

.footer {
    background-color: var(--dark-bg);
    color: var(--text-light);
    padding: 2rem 0;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--accent-color);
    text-decoration: none;
    margin: 0 0.35rem;
}

.footer-links a:hover {
    color: var(--secondary-color);
}

@media (max-width: 820px) {
    .nav-menu {
        display: none;
    }
    .hero {
        padding: 80px 0;
    }
    .hero h1 {
        font-size: 2.8rem;
    }
    .hero .subtitle,
    .hero .tagline {
        font-size: 1rem;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .advantages-grid,
    .why-grid,
    .benefits-list {
        grid-template-columns: 1fr;
    }
    .hero {
        padding: 60px 0;
    }
    .hero h1 {
        font-size: 2.4rem;
    }
    .nav-brand {
        font-size: 1.4rem;
    }
}