:root {
    /* Colors from logo */
    --primary-color: #3A7D44;
    --secondary-color: #FF8C00;
    --dark-color: #1a1a1a;
    --dark-gray: #333333;
    --medium-gray: #666666;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --success: #22c55e;
    --error: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), #2d6335);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), #e67e00);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Typography */
    --font-family: 'Inter', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --header-height: 5rem;
    --container-width: 1200px;
    --section-padding: 5rem 0;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-fixed: 100;
    --z-modal: 1000;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    background-color: var(--white);
    color: var(--dark-gray);
    line-height: 1.6;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.grid {
    display: grid;
    gap: 2rem;
}

.section {
    padding: var(--section-padding);
}

.section__subtitle {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.section__title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--dark-color);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section__header {
    text-align: center;
    margin-bottom: 4rem;
}

.highlight {
    color: var(--primary-color);
    position: relative;
}

/* Buttons */
.button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: 0.5rem;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-align: center;
}

.button--primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.button--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.button--secondary {
    background: var(--gradient-secondary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.button--secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.button--full {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.nav__logo {
    display: flex;
    align-items: center;
}

.nav__logo-img {
    height: 60px;
    width: 60px;
    object-fit: contain;
    transition: all var(--transition-base);
    border-radius: 50%;
    background: var(--white);
    padding: 2px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.nav__logo-img:hover {
    transform: scale(1.08) rotate(5deg);
    box-shadow: 0 4px 16px rgba(58, 125, 68, 0.3);
}

.nav__list {
    display: flex;
    gap: 2rem;
}

.nav__link {
    font-weight: 500;
    color: var(--dark-gray);
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link.active-link::after {
    width: 100%;
}

.nav__link:hover,
.nav__link.active-link {
    color: var(--primary-color);
}

.nav__btns {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav__toggle,
.nav__close {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-gray);
}

/* Home */
.home {
    margin-top: var(--header-height);
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f9f4 0%, #ffffff 100%);
}

.home__container {
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
    min-height: calc(100vh - var(--header-height));
    padding: 2rem 1rem;
}

.home__logo-badge {
    display: inline-block;
    margin-bottom: 1.5rem;
    animation: float 3s ease-in-out infinite;
    position: relative;
}

.home__logo-badge-img {
    width: 140px;
    height: 140px;
    filter: drop-shadow(0 8px 16px rgba(58, 125, 68, 0.25));
    border-radius: 50%;
    background: var(--white);
    padding: 5px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15),
                inset 0 0 0 3px rgba(58, 125, 68, 0.1);
    transition: all var(--transition-slow);
}

.home__logo-badge-img:hover {
    transform: scale(1.05) rotate(360deg);
    box-shadow: 0 15px 40px rgba(58, 125, 68, 0.3),
                inset 0 0 0 3px rgba(58, 125, 68, 0.2);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.home__title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--dark-color);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.home__description {
    font-size: var(--font-size-lg);
    color: var(--medium-gray);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.home__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.home__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.home__stat {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.home__stat i {
    font-size: 2rem;
    color: var(--primary-color);
}

.stat__number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--dark-color);
    line-height: 1;
}

.stat__text {
    font-size: var(--font-size-sm);
    color: var(--medium-gray);
}

.home__img {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.home__blob {
    width: 400px;
    animation: rotate 20s linear infinite;
}

.home__blob svg {
    opacity: 0.1;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.home__recycle-icon {
    position: absolute;
    font-size: 10rem;
    color: var(--primary-color);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.1);
        opacity: 1;
    }
}

.home__shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.shape--1 {
    width: 200px;
    height: 200px;
    background: var(--primary-color);
    top: 10%;
    left: 10%;
    animation: float 6s ease-in-out infinite;
}

.shape--2 {
    width: 150px;
    height: 150px;
    background: var(--secondary-color);
    bottom: 20%;
    right: 15%;
    animation: float 8s ease-in-out infinite;
}

.shape--3 {
    width: 100px;
    height: 100px;
    background: var(--primary-color);
    top: 60%;
    left: 80%;
    animation: float 7s ease-in-out infinite;
}

/* About */
.about__container {
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
}

.about__description {
    font-size: var(--font-size-base);
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about__values {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.about__value {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: 0.5rem;
    transition: all var(--transition-base);
}

.about__value:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.about__value i {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.about__value h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.about__value p {
    font-size: var(--font-size-sm);
    color: var(--medium-gray);
}

.about__img {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.about__blob {
    width: 400px;
    animation: rotate 25s linear infinite;
}

.about__blob svg {
    opacity: 0.1;
}

.about__icons {
    position: absolute;
    display: flex;
    gap: 2rem;
    font-size: 4rem;
}

.about__icons i:nth-child(1) {
    color: var(--dark-gray);
    animation: float 5s ease-in-out infinite;
}

.about__icons i:nth-child(2) {
    color: var(--secondary-color);
    animation: float 6s ease-in-out infinite;
}

.about__icons i:nth-child(3) {
    color: var(--primary-color);
    animation: float 7s ease-in-out infinite;
}

/* Services */
.services {
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><path d="M50 10 L60 30 L80 30 L65 45 L70 65 L50 50 L30 65 L35 45 L20 30 L40 30 Z" fill="none" stroke="%233A7D44" stroke-width="0.5" opacity="0.05"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.services__content {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
}

.services__card {
    background: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.services__card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(58, 125, 68, 0.05), transparent);
    transform: rotate(45deg);
    transition: all var(--transition-slow);
}

.services__card:hover::before {
    top: 100%;
    right: 100%;
}

.services__card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.services__icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    transition: all var(--transition-base);
    position: relative;
    box-shadow: 0 4px 12px rgba(58, 125, 68, 0.3);
}

.services__icon::after {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    opacity: 0;
    transition: all var(--transition-base);
}

.services__card:hover .services__icon {
    transform: scale(1.1) rotate(360deg);
    box-shadow: 0 6px 20px rgba(58, 125, 68, 0.5);
}

.services__card:hover .services__icon::after {
    opacity: 0.3;
    inset: -10px;
}

.services__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.services__description {
    font-size: var(--font-size-base);
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.services__list {
    display: grid;
    gap: 0.75rem;
}

.services__list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    color: var(--medium-gray);
}

.services__list i {
    color: var(--primary-color);
    font-size: 0.75rem;
}

/* Materials */
.materials__content {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.material__card {
    background: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    border: 2px solid var(--light-gray);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.material__card::before {
    content: '♻';
    position: absolute;
    top: -20px;
    right: -20px;
    font-size: 80px;
    color: var(--primary-color);
    opacity: 0.03;
    transform: rotate(15deg);
}

.material__card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #ffffff 0%, #f0f9f4 100%);
}

.material__icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--white);
    margin: 0 auto 1rem;
    transition: all var(--transition-base);
    box-shadow: 0 4px 12px rgba(255, 140, 0, 0.3);
    position: relative;
}

.material__icon::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 3px solid var(--secondary-color);
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition-base);
}

.material__card:hover .material__icon {
    transform: scale(1.15) rotate(360deg);
    box-shadow: 0 6px 20px rgba(255, 140, 0, 0.5);
}

.material__card:hover .material__icon::before {
    opacity: 0.2;
    transform: scale(1.2);
}

.material__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.material__description {
    font-size: var(--font-size-sm);
    color: var(--medium-gray);
}

/* Why Choose */
.why {
    background: linear-gradient(135deg, var(--primary-color), #2d6335);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.why::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.03) 10px,
        rgba(255, 255, 255, 0.03) 20px
    );
    animation: slide 20s linear infinite;
}

@keyframes slide {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(50px, 50px);
    }
}

.why .section__subtitle {
    color: var(--secondary-color);
}

.why .section__title {
    color: var(--white);
    position: relative;
    z-index: 1;
}

.why .section__header {
    position: relative;
    z-index: 1;
}

.why__content {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    position: relative;
    z-index: 1;
}

.why__card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.why__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 140, 0, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: all var(--transition-base);
}

.why__card:hover::before {
    opacity: 1;
}

.why__card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    border-color: var(--secondary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.why__number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    line-height: 1;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    position: relative;
    display: inline-block;
}

.why__number::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50%;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 2px;
}

.why__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.why__description {
    font-size: var(--font-size-base);
    line-height: 1.6;
    opacity: 0.9;
}

/* Gallery */
.gallery__content {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.gallery__item {
    aspect-ratio: 4 / 3;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.gallery__item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.gallery__placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.gallery__placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.gallery__placeholder p {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* Contact */
.contact {
    background: var(--light-gray);
}

.contact__container {
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.contact__description {
    font-size: var(--font-size-base);
    color: var(--medium-gray);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact__info {
    display: grid;
    gap: 1.5rem;
}

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

.contact__info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.contact__info-item h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.25rem;
}

.contact__info-item p {
    font-size: var(--font-size-sm);
    color: var(--medium-gray);
}

.contact__form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form__group {
    position: relative;
}

.form__group--full {
    grid-column: 1 / -1;
}

.form__input {
    width: 100%;
    padding: 1rem;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    border: 2px solid var(--light-gray);
    border-radius: 0.5rem;
    background: var(--white);
    transition: all var(--transition-base);
}

.form__input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form__input:not(:placeholder-shown) ~ .form__label,
.form__input:focus ~ .form__label,
.form__select ~ .form__label {
    top: -0.75rem;
    left: 0.75rem;
    font-size: var(--font-size-xs);
    background: var(--white);
    padding: 0 0.5rem;
    color: var(--primary-color);
}

.form__label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-size: var(--font-size-base);
    color: var(--medium-gray);
    pointer-events: none;
    transition: all var(--transition-base);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__select {
    cursor: pointer;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 4rem 0 0;
}

.footer__container {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    padding-bottom: 3rem;
}

.footer__logo {
    display: inline-block;
    margin-bottom: 1rem;
}

.footer__logo-img {
    height: 80px;
    width: 80px;
    object-fit: contain;
    transition: all var(--transition-base);
    border-radius: 50%;
    background: var(--white);
    padding: 5px;
}

.footer__logo-img:hover {
    transform: scale(1.08) rotate(-5deg);
    box-shadow: 0 0 20px rgba(58, 125, 68, 0.5);
}

.footer__description {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.footer__social {
    display: flex;
    gap: 1rem;
}

.footer__social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-base);
}

.footer__social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer__links {
    display: grid;
    gap: 0.75rem;
}

.footer__link {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-base);
}

.footer__link:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer__info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.75rem;
}

.footer__info i {
    color: var(--primary-color);
    font-size: 1rem;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem 0;
}

.footer__copy {
    text-align: center;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
}

/* Scroll Up */
.scrollup {
    position: fixed;
    right: 2rem;
    bottom: -20%;
    background: var(--primary-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.scrollup:hover {
    background: #2d6335;
    transform: translateY(-5px);
}

.scrollup.show-scroll {
    bottom: 2rem;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    right: 2rem;
    bottom: 5rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    box-shadow: var(--shadow-xl);
    z-index: var(--z-fixed);
    animation: pulse-whatsapp 2s ease-in-out infinite;
    transition: all var(--transition-base);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.5);
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    }
    50% {
        box-shadow: 0 10px 35px rgba(37, 211, 102, 0.6);
    }
}

/* Notification */
.notification {
    position: fixed;
    top: 6rem;
    right: -400px;
    background: var(--white);
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    min-width: 300px;
    max-width: 400px;
    transition: right var(--transition-base);
}

.notification.show {
    right: 2rem;
}

.notification__content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.notification__icon {
    font-size: 1.5rem;
}

.notification.success .notification__icon::before {
    content: '\f058';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    color: var(--success);
}

.notification.error .notification__icon::before {
    content: '\f06a';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    color: var(--error);
}

.notification__message {
    font-size: var(--font-size-sm);
    color: var(--dark-gray);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media screen and (max-width: 968px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
        --section-padding: 3rem 0;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--white);
        box-shadow: var(--shadow-xl);
        padding: 4rem 2rem;
        transition: right var(--transition-base);
    }

    .nav__menu.show-menu {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: 2rem;
    }

    .nav__link {
        font-size: var(--font-size-lg);
    }

    .nav__close {
        display: block;
        position: absolute;
        top: 1rem;
        right: 1rem;
    }

    .nav__toggle {
        display: block;
    }

    .nav__btns .button {
        display: none;
    }

    .home__container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .home__data {
        order: 2;
    }

    .home__img {
        order: 1;
    }

    .home__stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .about__img {
        order: -1;
    }

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

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

    .whatsapp-float {
        right: 1rem;
        bottom: 4rem;
        width: 55px;
        height: 55px;
        font-size: 1.75rem;
    }

    .scrollup {
        right: 1rem;
        width: 45px;
        height: 45px;
    }

    .scrollup.show-scroll {
        bottom: 1rem;
    }
}

@media screen and (max-width: 576px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --section-padding: 2rem 0;
    }

    .section__header {
        margin-bottom: 2rem;
    }

    .home__buttons {
        flex-direction: column;
    }

    .button {
        width: 100%;
        justify-content: center;
    }

    .home__blob {
        width: 300px;
    }

    .home__recycle-icon {
        font-size: 6rem;
    }

    .services__content,
    .materials__content,
    .why__content,
    .gallery__content {
        grid-template-columns: 1fr;
    }

    .notification {
        right: -100%;
        min-width: calc(100% - 2rem);
    }

    .notification.show {
        right: 1rem;
    }
}