.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 184, 169, 0.1);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.6rem;
    color: var(--primary-color);
    font-weight: 300;
    letter-spacing: -0.5px;
}

.logo strong {
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    white-space: nowrap;
    position: relative;
}

.nav-menu a:not(.btn-contact)::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a:not(.btn-contact):hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
}

.hero {
    position: relative;
    padding: 140px 0 100px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1dd1a1 50%, #10ac84 100%);
    color: var(--white);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.15;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
}

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

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-problems h2 {
    font-size: 2rem;
    font-weight: 600;
    margin: 0.5rem 0;
}

.hero-subtitle {
    font-size: 1.1rem;
    line-height: 1.8;
    margin: 2rem 0;
    opacity: 0.95;
}

.hero-location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    margin-bottom: 2rem;
    font-weight: 600;
}

.hero-badges {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 1.3rem;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.hero-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.hero-badge .badge-icon {
    font-size: 1.2rem;
}

.hero-badge-primary {
    background: rgba(255, 255, 255, 0.25);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.hero-badge-eco {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 2.5rem;
}

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

.hero-illustration {
    width: 100%;
    max-width: 400px;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.2));
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: auto;
}

.footer {
    background: linear-gradient(135deg, #3a5a5a 0%, #2e4a4a 100%);
    color: var(--white);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(0, 184, 169, 0.3);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 3.5rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.footer-section {
    flex: 1;
    min-width: 220px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    font-weight: 300;
    letter-spacing: -0.5px;
}

.footer-logo strong {
    font-weight: 800;
    letter-spacing: -0.5px;
}

.footer-logo img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    color: var(--primary-light);
    font-weight: 700;
    letter-spacing: -0.3px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1rem;
    line-height: 1.7;
    font-size: 0.95rem;
}

.footer-social-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-social-buttons .social-btn {
    font-size: 0.95rem;
    padding: 0.75rem 1.25rem;
}

.footer-eco {
    background: rgba(0, 184, 169, 0.15);
    padding: 1rem;
    border-radius: 10px;
    font-weight: 600;
    border-left: 4px solid var(--primary-light);
    margin-top: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-light);
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.footer-social a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-social a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0.5rem 0;
}

@media (max-width: 992px) {
    .nav-menu {
        gap: 1rem;
    }

    .nav-menu a {
        font-size: 0.9rem;
    }

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

    .hero-problems h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0.75rem 0;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 65px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        padding: 1.5rem 0;
        z-index: 999;
        max-height: calc(100vh - 65px);
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu a {
        padding: 0.75rem 0;
        display: block;
        width: 100%;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .logo {
        font-size: 1.4rem;
    }

    .logo img {
        height: 35px;
    }

    .hero {
        padding: 100px 0 60px;
    }

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

    .hero h1 {
        font-size: 2rem;
        line-height: 1.3;
        margin-bottom: 1rem;
    }

    .hero-problems h2 {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin: 1.5rem 0;
    }

    .hero-image {
        order: -1;
    }

    .hero-illustration {
        max-width: 280px;
    }

    .hero-badges {
        justify-content: center;
        gap: 0.75rem;
    }

    .hero-badge {
        font-size: 0.85rem;
        padding: 0.6rem 1.1rem;
    }

    .hero-location {
        justify-content: center;
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }

    .hero-buttons {
        justify-content: center;
        gap: 1rem;
    }

    .footer {
        padding: 3rem 0 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .footer-section {
        width: 100%;
    }

    .footer-logo {
        justify-content: center;
    }

    .footer-section h4 {
        font-size: 1.15rem;
        margin-bottom: 1rem;
    }

    .footer-section p {
        font-size: 0.9rem;
    }

    .footer-social-buttons {
        width: 100%;
        align-items: center;
    }

    .footer-social-buttons .social-btn {
        justify-content: center;
        width: 100%;
        max-width: 300px;
    }

    .footer-social {
        justify-content: center;
        gap: 1.5rem;
    }

    .footer-eco {
        font-size: 0.9rem;
        padding: 0.85rem;
    }
}

@media (max-width: 480px) {
    .navbar {
        padding: 0.65rem 0;
    }

    .logo {
        font-size: 1.25rem;
    }

    .logo img {
        height: 32px;
    }

    .nav-menu {
        top: 60px;
        padding: 1rem 0;
    }

    .nav-toggle span {
        width: 22px;
        height: 2.5px;
    }

    .hero {
        padding: 85px 0 45px;
    }

    .hero-content {
        gap: 1.5rem;
    }

    .hero h1 {
        font-size: 1.6rem;
        margin-bottom: 0.75rem;
    }

    .hero-problems h2 {
        font-size: 1.3rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        line-height: 1.6;
        margin: 1rem 0;
    }

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

    .hero-badge {
        padding: 0.55rem 1.1rem;
        font-size: 0.8rem;
    }

    .hero-badge .badge-icon {
        font-size: 1rem;
    }

    .hero-illustration {
        max-width: 220px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
        margin-top: 1.5rem;
    }

    .hero-buttons .btn {
        width: 100%;
        text-align: center;
        padding: 0.85rem 1.5rem;
    }

    .footer {
        padding: 2.5rem 0 1rem;
    }

    .footer-content {
        gap: 1.5rem;
    }

    .footer-section h4 {
        font-size: 1.05rem;
        margin-bottom: 0.85rem;
    }

    .footer-section p {
        font-size: 0.85rem;
        margin-bottom: 0.75rem;
    }

    .footer-logo {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }

    .footer-logo img {
        height: 32px;
    }

    .footer-social-buttons .social-btn {
        font-size: 0.85rem;
        padding: 0.65rem 1rem;
    }

    .footer-eco {
        font-size: 0.85rem;
        padding: 0.75rem;
    }

    .footer-social a {
        font-size: 1.3rem;
    }
}

@media (max-width: 360px) {
    .logo {
        font-size: 1.15rem;
    }

    .logo img {
        height: 28px;
    }

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

    .hero-problems h2 {
        font-size: 1.15rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

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

    .hero-badge {
        padding: 0.5rem 0.95rem;
        font-size: 0.75rem;
    }

    .hero-illustration {
        max-width: 200px;
    }

    .footer-logo {
        font-size: 1.15rem;
    }

    .footer-logo img {
        height: 28px;
    }
}