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

:root {
    --white: #ffffff;
    --off-white: #f8f9fa;
    --deep-green: #1a4d3e;
    --green-light: #2d6a5a;
    --gold: #D4AF37;
    --gold-light: #e8c84a;
    --slate: #475569;
    --slate-light: #64748b;
    --slate-dark: #1e293b;
    --border: #e2e8f0;
    --shadow: rgba(26, 77, 62, 0.08);
    --shadow-lg: rgba(26, 77, 62, 0.12);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--slate-dark);
    background: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    color: var(--slate-dark);
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
h3 { font-size: 1.25rem; }

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--deep-green);
    color: var(--white);
    border-color: var(--deep-green);
}

.btn-primary:hover {
    background: var(--green-light);
    border-color: var(--green-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--deep-green);
}

.btn-full {
    width: 100%;
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1rem;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--slate-dark);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-intro {
    font-size: 1.125rem;
    color: var(--slate);
    max-width: 600px;
    margin: 0 auto 48px;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: 0 2px 20px var(--shadow);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--deep-green);
}

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

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-btn {
    padding: 10px 20px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--slate);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: var(--off-white);
    color: var(--deep-green);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--slate-dark);
    transition: all 0.3s ease;
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(135deg, rgba(26, 77, 62, 0.92), rgba(26, 77, 62, 0.75));
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    color: var(--white);
    margin-bottom: 24px;
}

.hero-sub {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero .btn-primary {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--slate-dark);
}

.hero .btn-primary:hover {
    background: var(--gold-light);
    border-color: var(--gold-light);
}

.products,
.experience,
.quality,
.contact {
    padding: 100px 0;
}

.products {
    background: var(--off-white);
    text-align: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.product-card {
    position: relative;
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow);
    transition: all 0.4s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px var(--shadow-lg);
}

.product-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 10;
    padding: 6px 14px;
    background: var(--gold);
    color: var(--slate-dark);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
}

.product-image {
    aspect-ratio: 1;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-content {
    padding: 28px;
    text-align: left;
}

.product-content h3 {
    margin-bottom: 8px;
    color: var(--deep-green);
}

.product-content p {
    color: var(--slate);
    margin-bottom: 16px;
    font-size: 0.9375rem;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--deep-green);
    font-weight: 600;
    font-size: 0.9375rem;
}

.product-link:hover {
    color: var(--gold);
}

.product-link svg {
    transition: transform 0.3s ease;
}

.product-link:hover svg {
    transform: translateX(4px);
}

.experience {
    background: var(--white);
    text-align: center;
}

.experience-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 24px;
    margin-bottom: 60px;
}

.experience-step {
    flex: 1;
    max-width: 280px;
    padding: 32px 24px;
    background: var(--off-white);
    border-radius: 16px;
    position: relative;
}

.step-number {
    position: absolute;
    top: -12px;
    right: 24px;
    font-family: 'Poppins', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--border);
    line-height: 1;
}

.step-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 50%;
    color: var(--deep-green);
    box-shadow: 0 4px 16px var(--shadow);
}

.experience-step h3 {
    margin-bottom: 12px;
    color: var(--deep-green);
}

.experience-step p {
    color: var(--slate);
    font-size: 0.9375rem;
}

.experience-connector {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--deep-green), var(--gold));
    margin-top: 80px;
    flex-shrink: 0;
}

.experience-image {
    max-width: 900px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 40px var(--shadow-lg);
}

.experience-image img {
    width: 100%;
}

.quality {
    background: var(--deep-green);
    text-align: center;
}

.quality .section-tag {
    background: var(--gold);
}

.quality h2 {
    color: var(--white);
}

.quality .section-intro {
    color: rgba(255, 255, 255, 0.8);
}

.quality-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.quality-card {
    padding: 40px 32px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.quality-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.quality-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gold);
    border-radius: 50%;
    color: var(--slate-dark);
}

.quality-card h3 {
    color: var(--white);
    margin-bottom: 12px;
}

.quality-card p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9375rem;
}

.contact {
    background: var(--off-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    text-align: left;
}

.contact-info h2 {
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--slate);
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-item svg {
    flex-shrink: 0;
    color: var(--deep-green);
    margin-top: 2px;
}

.contact-item strong {
    display: block;
    font-size: 0.875rem;
    color: var(--slate);
    margin-bottom: 4px;
}

.contact-item span {
    color: var(--slate-dark);
    font-weight: 500;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--slate-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--slate-dark);
    background: var(--off-white);
    border: 2px solid var(--border);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--deep-green);
    background: var(--white);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    cursor: pointer;
}

.footer {
    background: var(--slate-dark);
    color: var(--white);
    padding: 60px 0 0;
}

.footer-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-tags .tag {
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50px;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.footer-tags .tag:hover {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--slate-dark);
}

.footer-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 40px 0;
    gap: 40px;
}

.footer-brand .logo {
    margin-bottom: 12px;
    display: inline-block;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    max-width: 300px;
}

.footer-socials {
    display: flex;
    gap: 16px;
}

.footer-socials a {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    color: var(--white);
    transition: all 0.3s ease;
}

.footer-socials a:hover {
    background: var(--gold);
    color: var(--slate-dark);
    transform: translateY(-4px);
}

.footer-main .btn-primary {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--slate-dark);
}

.footer-main .btn-primary:hover {
    background: var(--gold-light);
    border-color: var(--gold-light);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
}

.back-to-top {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.3s ease;
}

.back-to-top:hover {
    color: var(--gold);
}

@media (max-width: 992px) {
    .products-grid,
    .quality-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .experience-grid {
        flex-wrap: wrap;
    }

    .experience-connector {
        display: none;
    }

    .experience-step {
        max-width: 100%;
        flex: 0 0 calc(50% - 12px);
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .header .container {
        height: 70px;
    }

    .header .btn {
        display: none;
    }

    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 4px;
        box-shadow: 0 10px 30px var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-btn {
        width: 100%;
        text-align: center;
        padding: 14px;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding: 140px 0 80px;
    }

    .hero-ctas {
        flex-direction: column;
    }

    .hero-ctas .btn {
        width: 100%;
    }

    .products-grid,
    .quality-grid {
        grid-template-columns: 1fr;
    }

    .experience-step {
        flex: 0 0 100%;
    }

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

    .contact-form {
        padding: 28px;
    }

    .footer-main {
        flex-direction: column;
        text-align: center;
    }

    .footer-brand p {
        max-width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .products,
    .experience,
    .quality,
    .contact {
        padding: 70px 0;
    }

    .section-intro {
        font-size: 1rem;
        margin-bottom: 36px;
    }

    .product-content {
        padding: 20px;
    }

    .experience-step {
        padding: 24px 20px;
    }

    .quality-card {
        padding: 32px 24px;
    }
}