/* ============================================
   VARIABLES & GLOBAL STYLES
   ============================================ */

:root {
    --primary-green: #4A885C;
    --text-dark: #1a1a1a;
    --text-light: #333333;
    --bg-white: #ffffff;
    --bg-light: #f9f9f9;
    --bg-placeholder: #e8e8e8;
    --border-light: #e0e0e0;
    --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    font-weight: 400;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--bg-white);
    padding: 1.2rem 0;
    box-shadow: var(--shadow-soft);
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-green);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo i {
    font-size: 1.8rem;
}

.nav {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-green);
    border-bottom-color: var(--primary-green);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    margin-top: 70px;
    padding: 4rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 1rem;
    letter-spacing: -1px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.hero-description {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-image {
    display: flex;
    justify-content: center;
}

.hero-image-background {
    width: 100%;
    height: 300px;
    background-image: url("/assets/painter-on-roof.webp");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    border-radius: 8px;
}

.hero-image-placeholder-greencoat {
    width: 100%;
    height: 300px;
    background-image: url("/assets/resin-painter-roof.webp");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    border-radius: 8px;
}

.placeholder {
    width: 100%;
    height: 300px;
    background-color: var(--bg-placeholder);
    border-radius: 8px;
}

/* ============================================
   CTA BUTTON
   ============================================ */

.cta-button {
    display: inline-block;
    padding: 0.9rem 2.5rem;
    background-color: var(--primary-green);
    color: var(--bg-white);
    text-decoration: none;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-soft);
}

.cta-button:hover {
    background-color: #3d6d4a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* ============================================
   SECTIONS GLOBAL
   ============================================ */

section {
    padding: 4rem 2rem;
}

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

section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 3rem;
    text-align: center;
    letter-spacing: -0.5px;
}

section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
}

section h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

/* ============================================
   BENEFITS SECTION
   ============================================ */

.benefits {
    background-color: var(--bg-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.benefit-icon {
    font-size: 2.5rem;
    color: var(--primary-green);
    margin-bottom: 1rem;
}

.benefit-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.benefit-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: 0.5rem;
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
    gap: 2rem;
}

.product-card {
    background-color: var(--bg-light);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.product-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.product-image-placeholder-outside {
    width: 100%;
    height: 300px;
    background-image: url("/assets/painter-outside.webp");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    border-radius: 8px;
}

.product-image-inside {
    width: 100%;
    height: 300px;
    background-image: url("/assets/painter-inside.webp");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    border-radius: 8px;
}

.product-card > h3 {
    padding: 1.5rem 1.5rem 0.8rem;
}

.product-card > p {
    padding: 0 1.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.2rem 1.5rem;
    border-top: 1px solid var(--border-light);
    margin-top: 0.5rem;
}

.product-features span {
    color: var(--text-light);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-features i {
    color: var(--primary-green);
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about {
    background-color: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.stat {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
}

.stat h4 {
    color: var(--primary-green);
    font-size: 1.8rem;
    margin-bottom: 0.3rem;
}

.stat p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

.about-image {
    display: flex;
    justify-content: center;
}

.about-image-placeholder {
    width: 100%;
    height: 300px;
    background-image: url("/assets/paint-factory.webp");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    border-radius: 8px;
}

/* ============================================
   DESCRIPTION SECTION
   ============================================ */

.description {
    background-color: var(--bg-light);
}

.description-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.description-text p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.description-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature i {
    color: var(--primary-green);
    font-size: 1.5rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.feature h4 {
    margin-bottom: 0.3rem;
}

.feature p {
    color: var(--text-light);
    font-size: 0.85rem;
    margin: 0;
}

.description-image {
    display: flex;
}

.description-image-background {
    width: 100%;
    height: 300px;
    background-image: url("/assets/resin-painter-roof-2.webp");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    border-radius: 8px;
}

/* ============================================
   APPLICATIONS SECTION
   ============================================ */

.applications {
    background-color: var(--bg-white);
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.app-card {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    background-color: var(--bg-white);
}

.app-card i {
    font-size: 2.5rem;
    color: var(--primary-green);
    margin-bottom: 1rem;
}

.app-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.compatible-supports {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
}

.compatible-supports h3 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.supports-list {
    display: flex;
}

.supports-list span {
    width: 25%;
    text-align: center;
    color: var(--text-light);
    font-size: 0.95rem;
}

.supports-list i {
    color: var(--primary-green);
}

/* ============================================
   CHARACTERISTICS SECTION
   ============================================ */

.characteristics {
    background-color: var(--bg-light);
}

.characteristics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}

.char-card {
    background-color: var(--bg-white);
    padding: 1.8rem;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.char-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.char-card i {
    color: var(--primary-green);
    margin-right: 0.5rem;
    font-size: 1.2rem;
}

.char-card h4 {
    margin-bottom: 0.8rem;
    font-size: 1rem;
}

.char-card p {
    color: var(--text-light);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* ============================================
   CERTIFICATIONS SECTION
   ============================================ */

.certifications {
    background-color: var(--bg-white);
}

.certifications-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.certification-item {
    text-align: center;
    padding: 2rem;
}

.certification-item i {
    font-size: 2.5rem;
    color: var(--primary-green);
    margin-bottom: 1rem;
}

.certification-item h4 {
    margin-bottom: 0.8rem;
}

.certification-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ============================================
   FOR WHO SECTION
   ============================================ */

.for-who {
    background-color: var(--bg-light);
}

.for-who-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.who-card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
}

.who-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.who-card i {
    font-size: 2.5rem;
    color: var(--primary-green);
    margin-bottom: 1rem;
}

.who-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

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

.contact-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

.contact-form {
    background-color: var(--bg-light);
    padding: 2.5rem;
    border-radius: 8px;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 16px;
}

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    padding: 0.9rem;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(74, 136, 92, 0.1);
}

.contact-form button {
    width: 100%;
    margin-top: 1rem;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background-color: var(--text-dark);
    color: var(--bg-white);
    padding: 3rem 2rem 1rem;
}

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

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-section {
    display: flex;
    justify-content: center;
    width: 33%;
    min-width: 250px;
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-green);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-section a:hover {
    color: var(--primary-green);
}

.footer-bottom {
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    padding-top: 1rem;
}

/* ============================================
   FADE-IN ANIMATION
   ============================================ */

.fade-in {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   CONTACT FORM MESSAGES
   ============================================ */

.form-message {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-weight: 500;
    font-size: 0.95rem;
    text-align: center;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

@media (max-width: 768px) {
    .header-container {
        padding: 0 1rem;
    }

    .nav {
        gap: 1.5rem;
    }

    .nav-link {
        font-size: 0.85rem;
    }

    .logo {
        font-size: 1.2rem;
    }

    .logo i {
        font-size: 1.3rem;
    }

    .hero {
        grid-template-columns: 1fr;
        margin-top: 65px;
        gap: 2rem;
        padding: 2rem 1rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .placeholder {
        height: 250px;
    }

    section {
        padding: 2.5rem 1rem;
    }

    section h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .benefits-grid,
    .products-grid,
    .applications-grid,
    .characteristics-grid,
    .certifications-content,
    .for-who-grid,
    .supports-list {
        grid-template-columns: 1fr;
    }

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

    .about-stats {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 2rem 1.5rem;
    }

    .footer-content {
        flex-direction: column;
    }

    .footer-section {
        justify-content: start;
        width: 100%;
        margin: 0 0 16px 32px;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 0 0.8rem;
    }

    .nav {
        gap: 1rem;
    }

    .logo {
        font-size: 1rem;
    }

    .logo span {
        display: none;
    }

    .hero {
        margin-top: 60px;
        gap: 1.5rem;
        padding: 1.5rem 1rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

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

    section h2 {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    section h3 {
        font-size: 1.1rem;
    }

    .benefit-card,
    .app-card,
    .who-card {
        padding: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem 1rem;
    }

    .footer-section {
        margin: 0 0 16px 0;
    }
}