:root {
    --primary: #1B7D47;
    --secondary: #0A2C5E;
    --accent: #FFFFFF;
    --muted: #666666;
    --bg: #f9f9f9;
    --surface: #ffffff;
    --text: #1a1a1a;
    --border: #e0e0e0;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.container {
    width: min(1140px, calc(100% - 32px));
    margin: 0 auto;
}

/* HEADER */
.site-header {
    background: var(--surface);
    border-bottom: 2px solid var(--primary);
    position: sticky;
    top: 0;
    z-index: 20;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
}

.brand:hover {
    color: var(--secondary);
}

.logo {
    height: 45px;
    width: auto;
}

.mobile-menu-toggle {
    display: none;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 10px;
    gap: 6px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-width: 44px;
    min-height: 44px;
}

.mobile-menu-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--secondary);
    border-radius: 999px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.main-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.main-nav a {
    color: var(--text);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    transition: color 0.3s ease;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

.main-nav a.active,
.main-nav a:hover {
    color: var(--primary);
}

.page-header {
    padding: 48px 0 16px;
    text-align: center;
}

.page-header h1,
.page-header h2 {
    margin: 0 0 16px 0;
    font-size: clamp(2rem, 4vw, 2.8rem);
}

.page-header p {
    margin: 0 auto;
    max-width: 760px;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.75;
}

.page-section {
    padding: 32px 0 48px;
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 26px;
    box-shadow: 0 18px 40px rgba(27, 125, 71, 0.08);
}

.form-card {
    background: #ffffff;
    border: 1px solid rgba(27, 125, 71, 0.18);
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 20px 50px rgba(27, 125, 71, 0.06);
    max-width: 820px;
    margin: 0 auto;
}

.form-card form {
    display: grid;
    gap: 22px;
}

.form-card .form-field,
.filters-grid .form-field {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-field label {
    font-weight: 700;
    color: var(--secondary);
    font-size: 0.96rem;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    padding: 16px 18px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: #f7f8fa;
    color: var(--text);
    font-size: 1rem;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(27, 125, 71, 0.12);
    background: #ffffff;
}

.form-field textarea {
    min-height: 180px;
    resize: vertical;
}

.form-card button {
    width: 100%;
    max-width: 240px;
    padding: 15px 22px;
    border-radius: 16px;
    border: none;
    background: var(--primary);
    color: white;
    box-shadow: 0 10px 24px rgba(27, 125, 71, 0.18);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.form-card button:hover {
    background: #165f34;
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(27, 125, 71, 0.22);
}

/* HERO SECTION */
.hero {
    padding: 64px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    text-align: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-copy {
    text-align: left;
}

.hero-copy h1 {
    margin: 0 0 20px 0;
    font-size: clamp(2rem, 5vw, 3.2rem);
    line-height: 1.2;
    font-weight: 700;
    text-transform: capitalize;
}

.hero-copy p {
    margin: 0 0 24px 0;
    font-size: 1.1rem;
    opacity: 0.95;
    line-height: 1.7;
}

.tag {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 24px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
}

.button,
.button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 14px 32px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    white-space: nowrap;
}

.button {
    background: white;
    color: var(--primary);
    border: 2px solid white;
}

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

.button-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.button-secondary:hover {
    background: white;
    color: var(--primary);
}

.hero-actions a {
    min-width: 210px;
}

/* SLIDER */
.slider {
    display: flex;
    gap: 32px;
    align-items: stretch;
}

.slide {
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
    flex: 1;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.slide.active {
    display: flex;
    opacity: 1;
}

.slide-text {
    flex: 1;
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.slide-text h2 {
    margin: 0 0 16px 0;
    font-size: 1.8rem;
    line-height: 1.3;
    color: var(--secondary);
}

.slide-text p {
    margin: 0 0 16px 0;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.slide-image {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f0f0f0 0%, #e8e8e8 100%);
}

.slide-card {
    width: 100%;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.slide-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.slider-control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-control.active {
    background: var(--primary);
    width: 28px;
    border-radius: 6px;
}

/* SECTION GRID */
.section-grid {
    padding: 48px 0;
}

.section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

/* CARDS */
.card {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(27, 125, 71, 0.14);
    border-radius: 28px;
    box-shadow: 0 20px 40px rgba(27, 125, 71, 0.08);
    transition: transform 0.32s ease, box-shadow 0.32s ease, border-color 0.32s ease;
    padding: 30px;
    min-height: 260px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card:hover {
    transform: translateY(-6px);
    border-color: rgba(27, 125, 71, 0.22);
    box-shadow: 0 24px 48px rgba(27, 125, 71, 0.14);
}

.card h3 {
    margin: 0 0 16px;
    font-size: 1.25rem;
    color: var(--secondary);
    line-height: 1.2;
}

.card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.8;
}

.value-card {
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid rgba(27, 125, 71, 0.12);
    border-radius: 24px;
    padding: 28px;
    box-shadow: 0 14px 32px rgba(27, 125, 71, 0.06);
    transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 36px rgba(27, 125, 71, 0.1);
}

.value-card h3 {
    margin: 0 0 14px;
    color: var(--primary);
    font-size: 1.1rem;
}

.value-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.75;
}

.section-card {
    display: flex;
    flex-direction: column;
    text-align: center;
}

.section-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.section-card h3 {
    margin: 16px 16px 8px;
    font-size: 1.3rem;
    color: var(--primary);
    text-transform: capitalize;
}

.section-card p {
    margin: 0 16px 16px;
    color: var(--muted);
    font-size: 0.95rem;
    flex-grow: 1;
}

.section-card .button {
    margin: 0 16px 16px;
    background: var(--primary);
    color: white;
    border: 2px solid var(--primary);
}

.section-card .button:hover {
    background: var(--secondary);
    border-color: var(--secondary);
}

/* PRODUCT GRID */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    padding: 32px 0;
}

.product-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.product-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    background: #f5f5f5;
}

.product-info {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-name {
    margin: 0 0 8px 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: capitalize;
}

.product-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(27, 125, 71, 0.1);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 16px;
    margin-bottom: 12px;
    width: fit-content;
    text-transform: capitalize;
}

.product-measures {
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 12px;
}

.product-measures strong {
    color: var(--text);
}

.product-description {
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 16px;
    flex-grow: 1;
    line-height: 1.5;
}

.product-application {
    font-size: 0.9rem;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 16px;
    padding: 8px 12px;
    background: rgba(10, 44, 94, 0.05);
    border-radius: 4px;
}

.product-actions {
    display: flex;
    gap: 8px;
}

.product-actions .button {
    flex: 1;
    background: var(--primary);
    color: white;
    border: 2px solid var(--primary);
    padding: 12px;
    font-size: 0.9rem;
}

.product-actions .button:hover {
    background: var(--secondary);
    border-color: var(--secondary);
}

/* COMPANY SECTION */
.company-section {
    padding: 48px 0;
    text-align: center;
}

.company-section h2 {
    margin: 0 0 24px 0;
    font-size: 2.4rem;
    color: var(--primary);
    text-transform: capitalize;
}

.company-section p {
    max-width: 700px;
    margin: 0 auto 0 auto;
    font-size: 1.1rem;
    color: var(--muted);
    line-height: 1.8;
}

/* MISSION VISION VALUES */
.mvv-section {
    padding: 48px 0;
    background: linear-gradient(135deg, rgba(27, 125, 71, 0.05) 0%, rgba(10, 44, 94, 0.05) 100%);
}

.mvv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.mvv-card {
    background: white;
    padding: 32px 24px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.mvv-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.mvv-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.mvv-card h3 {
    margin: 0 0 16px 0;
    font-size: 1.4rem;
    color: var(--primary);
}

.mvv-card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.mvv-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.mvv-card li {
    margin: 12px 0;
    font-size: 0.95rem;
    color: var(--muted);
}

.mvv-card li strong {
    color: var(--primary);
}

/* LOCATION SECTION */
.location-section {
    padding: 48px 0;
}

.location-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: center;
}

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

.location-info h2 {
    margin: 0 0 24px 0;
    font-size: 2rem;
    color: var(--primary);
}

.location-info p {
    margin: 16px 0;
    font-size: 1.05rem;
    color: var(--muted);
}

.location-info strong {
    display: block;
    color: var(--text);
    font-weight: 700;
    margin-top: 8px;
}

.location-map {
    width: 100%;
    height: 400px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.location-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* FLOATING WHATSAPP BUTTON */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    z-index: 50;
    text-decoration: none;
    color: white;
    font-size: 28px;
    border: none;
}

.whatsapp-float:hover {
    background: #20BA5C;
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
}

.whatsapp-float svg {
    width: 28px;
    height: 28px;
    fill: white;
}

/* ABOUT SECTION */
.about-section {
    padding: 48px 0;
    text-align: center;
}

.about-section h2 {
    margin: 0 0 32px 0;
    font-size: 2.4rem;
    color: var(--primary);
}

.company-info {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 48px;
    border-radius: 8px;
    text-align: center;
}

.company-info h3 {
    margin: 0 0 16px 0;
    font-size: 1.8rem;
    text-transform: uppercase;
}

.company-info p {
    margin: 8px 0;
    font-size: 1.1rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(27, 125, 71, 0.1);
}

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

.form-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* FOOTER */
.site-footer {
    background: var(--secondary);
    color: white;
    padding: 32px 0;
    text-align: center;
    border-top: 3px solid var(--primary);
}

.site-footer p {
    margin: 8px 0;
    font-size: 0.95rem;
    opacity: 0.95;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .hero-copy {
        text-align: center;
    }

    .hero-copy h1 {
        font-size: 1.8rem;
    }

    .hero-actions {
        justify-content: center;
    }

    .slider {
        flex-direction: column;
    }

    .slide {
        flex-direction: column;
    }

    .slide-image {
        min-height: 250px;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .main-nav {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        width: 100%;
        background: var(--surface);
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 0 16px 16px;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        transition: max-height 0.3s ease, opacity 0.3s ease;
        border-top: 1px solid var(--border);
        box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
    }

    .main-nav.open {
        max-height: 320px;
        opacity: 1;
        visibility: visible;
    }

    .main-nav a {
        display: block;
        width: 100%;
        padding: 14px 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        font-size: 0.95rem;
    }

    .header-inner {
        position: relative;
    }

    .location-content {
        grid-template-columns: 1fr;
    }

    .location-map {
        height: 300px;
    }

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

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

    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
        font-size: 24px;
    }
}


@media (max-width: 480px) {
    .container {
        width: calc(100% - 16px);
    }

    .hero {
        padding: 32px 0;
    }

    .hero-copy h1 {
        font-size: 1.4rem;
    }

    .slider-controls {
        margin-top: 16px;
    }

    .section-grid,
    .products-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .mvv-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .product-actions {
        flex-direction: column;
    }

    .product-actions .button {
        width: 100%;
    }
}