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

html {
    scroll-behavior: smooth;
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    line-height: 1.7;
    color: #333;
    background-color: #fff;
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    background: white;
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #2e7d32;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

nav a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color 0.3s ease;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 3px;
    background-color: #5cb85c;
    transition: width 0.3s ease;
}

nav a:hover::after,
nav a.active::after {
    width: 100%;
}

nav a:hover {
    color: #5cb85c;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Hero Section */
.hero {
    background: white;
    position: relative;
    padding: 0.5rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 700;
    color: #2e7d32;
    margin-bottom: 0.5rem;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.hero p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 0;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.hero-image {
    display: none;
}

/* Main Content */
main {
    background: white;
    padding: 3rem 0;
}

section {
    margin-bottom: 2rem;
    padding: 1rem 0;
}

section h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #222;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid #5cb85c;
}

section h3 {
    font-size: 1.35rem;
    font-weight: 600;
    color: #333;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

section p {
    margin-bottom: 1.2rem;
    line-height: 1.8;
    color: #555;
}

ul, ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

li {
    margin-bottom: 0.8rem;
    line-height: 1.8;
    color: #555;
}

strong {
    color: #2e7d32;
    font-weight: 600;
}

em {
    color: #5cb85c;
    font-style: italic;
}

/* Info Boxes */
.info-box {
    background: #f5f5f5;
    border-left: 5px solid #5cb85c;
    padding: 2rem;
    margin: 2rem 0;
    border-radius: 6px;
}

.info-box h3 {
    margin-top: 0;
    color: #2e7d32;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2.5rem 0;
}

.feature-card {
    background: #fafafa;
    padding: 2.5rem 2rem;
    border-radius: 8px;
    border-top: 4px solid #5cb85c;
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 28px rgba(92, 184, 92, 0.12);
    background: white;
}

.feature-card h3 {
    margin-top: 0;
    color: #2e7d32;
    font-size: 1.2rem;
}

.feature-card p {
    font-size: 0.95rem;
    margin: 0;
}

/* Image Grid */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2.5rem 0;
}

.image-card {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.image-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 28px rgba(92, 184, 92, 0.15);
}

.image-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}

.image-card p {
    padding: 1.5rem;
    background: #fafafa;
    margin: 0;
    font-size: 0.95rem;
    color: #666;
}

/* Forms */
.contact-form {
    max-width: 700px;
    margin: 3rem auto;
    background: white;
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    border: 1px solid #f0f0f0;
}

.form-group {
    margin-bottom: 2rem;
}

label {
    display: block;
    margin-bottom: 0.8rem;
    color: #333;
    font-weight: 600;
    font-size: 0.95rem;
}

input[type="text"],
input[type="email"],
input[type="phone"],
textarea {
    width: 100%;
    padding: 0.95rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="phone"]:focus,
textarea:focus {
    outline: none;
    border-color: #5cb85c;
    box-shadow: 0 0 0 3px rgba(92, 184, 92, 0.1);
    background-color: #fafbfa;
}

textarea {
    resize: vertical;
    min-height: 160px;
}

button {
    background: #5cb85c;
    color: white;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    width: 100%;
}

button:hover {
    background: #4da849;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(92, 184, 92, 0.25);
}

/* CTA Button */
.cta-button {
    display: inline-block;
    background: #5cb85c;
    color: white;
    padding: 0.95rem 2.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    text-decoration: none;
    margin: 1rem 0;
}

.cta-button:hover {
    background: #4da849;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(92, 184, 92, 0.25);
}

.cta-section {
    text-align: center;
    padding: 3rem 0;
    margin-top: 2rem;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 1.2rem;
    border-radius: 6px;
    margin-bottom: 2rem;
    border-left: 5px solid #28a745;
}

/* Product Usage */
.product-usage {
    background: #f5f5f5;
    padding: 2rem;
    border-radius: 6px;
    margin: 2rem 0;
    border-left: 5px solid #5cb85c;
}

.product-usage h4 {
    color: #2e7d32;
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.product-usage ul {
    margin-left: 1.5rem;
}

/* Footer */
footer {
    background: #2c2c2c;
    color: white;
    padding: 3rem 0 1.5rem;
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    text-align: center;
}

footer p {
    margin: 0.5rem 0;
    font-size: 0.95rem;
}

footer a {
    color: #5cb85c;
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #66bb6a;
}

/* Two Column Layout */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
    margin: 2rem 0;
}

.content-column {
    line-height: 1.8;
}

.content-column h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    border-bottom: 3px solid #5cb85c;
    padding-bottom: 1rem;
}

/* Responsive */

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    background: none;
    border: none;
    padding: 10px;
    gap: 5px;
    z-index: 101;
    -webkit-tap-highlight-color: transparent;
    outline: none;
}

.hamburger:focus,
.hamburger:active {
    background: none;
    outline: none;
    box-shadow: none;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 3px;
    background: #333;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}


@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }

    .header-content {
        padding: 0 30px;
    }

    .footer-content {
        padding: 0 30px;
    }

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

@media (max-width: 768px) {
    .header-content {
        flex-direction: row;
        justify-content: space-between;
        gap: 0;
        text-align: left;
        padding: 0 20px;
        position: relative;
    }

    .hamburger {
        display: flex;
    }

    nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        z-index: 100;
    }

    nav.mobile-open {
        display: block;
    }

    nav ul {
        flex-direction: column;
        gap: 0;
        padding: 0;
    }

    nav li {
        border-bottom: none;
    }

    nav li:last-child {
        border-bottom: none;
    }

    nav a {
        display: block;
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }

    nav a::after {
        display: none;
    }

    nav a:hover {
        color: #2e7d32;
    }

    .logo {
        font-size: 1.4rem;
    }

    .hero {
        padding: 3rem 0;
    }

    .hero h1 {
        font-size: 2rem;
        margin-bottom: 1rem;
    }

    .hero p {
        font-size: 1rem;
    }

    section h2 {
        font-size: 1.8rem;
    }

    section h3 {
        font-size: 1.2rem;
    }

    section p {
        font-size: 0.95rem;
    }

    .image-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 2rem;
    }

    .container {
        padding: 0 20px;
    }

    .footer-content {
        padding: 0 20px;
    }

    main {
        padding: 2rem 0;
    }

    section {
        margin-bottom: 2.5rem;
        padding: 1.5rem 0;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 0 15px;
    }

    header {
        padding: 0.8rem 0;
    }

    .logo {
        font-size: 1.2rem;
    }

    .logo img {
        height: 60px !important;
    }

    .hamburger span {
        width: 20px;
        height: 2px;
    }

    nav a {
        padding: 0.85rem 1.25rem;
        font-size: 0.95rem;
    }

    .container {
        padding: 0 15px;
    }

    .footer-content {
        padding: 0 15px;
    }

    .hero {
        padding: 1rem 0;
    }

    .hero img {
        height: 140px !important;
        margin-bottom: 0.8rem;
    }

    .hero h1 {
        font-size: 1.6rem;
        margin-bottom: 0.8rem;
    }

    .hero p {
        font-size: 1rem;
        line-height: 1.8;
    }

    section h2 {
        font-size: 1.4rem;
        margin-bottom: 0.8rem;
        padding-bottom: 0.6rem;
    }

    section h3 {
        font-size: 1rem;
        margin-top: 1rem;
        margin-bottom: 0.6rem;
    }

    section p {
        font-size: 0.95rem;
        margin-bottom: 0.8rem;
        line-height: 1.8;
    }

    section ul, section ol {
        margin-left: 1rem;
        margin-bottom: 0.8rem;
    }

    section li {
        margin-bottom: 0.5rem;
        font-size: 0.95rem;
    }

    .cta-button {
        font-size: 0.95rem !important;
        padding: 0.9rem 1.8rem !important;
        display: block;
        width: 100%;
        text-align: center;
        margin: 0.5rem 0 !important;
    }

    .cta-section {
        padding: 1.5rem 0;
        margin-top: 1.5rem;
    }

    .cta-section div {
        width: 100%;
        flex-direction: column;
    }

    .contact-form {
        padding: 1.5rem;
        margin: 1.5rem auto;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    label {
        margin-bottom: 0.5rem;
        font-size: 0.9rem;
    }

    input[type="text"],
    input[type="email"],
    input[type="phone"],
    textarea {
        padding: 0.8rem;
        font-size: 1rem;
    }

    button {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .image-card img {
        height: 180px;
    }

    .image-card p {
        padding: 0.8rem;
        font-size: 0.85rem;
    }

    main {
        padding: 1rem 0;
    }

    section {
        margin-bottom: 1.2rem;
        padding: 0.5rem 0;
    }

    footer {
        padding: 1.5rem 0 1rem;
    }

    footer p {
        font-size: 0.85rem;
    }

    .info-box {
        padding: 1rem;
        margin: 1rem 0;
    }

    .product-usage {
        padding: 1rem;
        margin: 1rem 0;
    }
}