:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;

    --text-primary: #1a1a2e;
    --text-secondary: #4a4a68;
    --text-light: #6c757d;

    --accent-primary: #c9a227;
    --accent-hover: #b08d1e;
    --accent-glow: rgba(201, 162, 39, 0.3);

    --border-color: #dee2e6;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.15);

    --success: #28a745;
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #252540;

    --text-primary: #f8f9fa;
    --text-secondary: #b8b8d1;
    --text-light: #8a8aa3;

    --accent-primary: #e6c35c;
    --accent-hover: #d4b347;
    --accent-glow: rgba(230, 195, 92, 0.25);

    --border-color: #3a3a5a;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.6);
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: background-color 0.3s ease,
        border-color 0.3s ease,
        color 0.3s ease,
        box-shadow 0.3s ease;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Open Sans', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

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

ul {
    list-style: none;
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    height: 70px;
    gap: 1rem;
}

.logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-primary);
    letter-spacing: 0.5px;
    margin-right: auto; 
    white-space: nowrap; 
}

.nav-right-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-primary);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a:focus::after {
    width: 100%;
}

.nav-links a:hover,
.nav-links a:focus {
    color: var(--text-primary);
}

.nav-links .cta-button {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.nav-links .cta-button:hover,
.nav-links .cta-button:focus {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-links .cta-button::after {
    display: none;}

.theme-btn {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    flex-shrink: 0; 
}

.theme-btn:hover,
.theme-btn:focus {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-primary);
    transform: scale(1.05);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-shrink: 0;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.hero-section {
    margin-top: 70px;    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.hero {
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 0.8s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.hero h2 {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
}

.cta-button:hover,
.cta-button:focus {
    background-color: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    outline: none;
}

.cta-button:active {
    transform: translateY(-1px);
}

section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

section h2 {
    text-align: center;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent-primary);
    border-radius: 2px;
}

section p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    text-align: center;
    max-width: 700px;
    margin: 0 auto 1.5rem;
}

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

.servico {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.servico:hover,
.servico:focus-within {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.servico.destaque {
    background: linear-gradient(145deg, var(--bg-secondary), var(--bg-tertiary));
    border: 2px solid var(--accent-primary);
    position: relative;
    overflow: hidden;
}

.servico.destaque::before {
    content: '⭐ Premium';
    position: absolute;
    top: 1rem;
    right: -35px;
    background: var(--accent-primary);
    color: var(--bg-primary);
    padding: 0.3rem 3rem;
    font-size: 0.75rem;
    font-weight: 600;
    transform: rotate(45deg);
    letter-spacing: 1px;
}

.servico-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.servico h3 {
    font-size: 1.4rem;
    margin: 0.5rem 0;
    color: var(--text-primary);
}

.servico p {
    text-align: left;
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.servico p strong {
    color: var(--text-primary);
}

.servico .btn {
    align-self: center;
    background-color: transparent;
    color: var(--accent-primary);
    border: 2px solid var(--accent-primary);
    padding: 0.7rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    margin-top: 0.5rem;
    transition: var(--transition);
}

.servico .btn:hover,
.servico .btn:focus {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    transform: scale(1.05);
}

footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 3rem;
}

.whatsapp-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: #25D366;
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
}

.whatsapp-button:hover,
.whatsapp-button:focus {
    background-color: #128C7E;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--bg-primary);
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        z-index: 999;
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .hamburger {
        display: flex;
    }

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

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

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

    section {
        padding: 3rem 1.5rem;
    }

    .servicos-container {
        grid-template-columns: 1fr;
    }

    .servico.destaque::before {
        font-size: 0.65rem;
        padding: 0.25rem 2.5rem;
        top: 0.5rem;
        right: -30px;
    }
}

a:focus,
button:focus,
.servico:focus-within {
    outline: 3px solid var(--accent-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

.servico:hover {
    box-shadow:
        var(--shadow-md),
        0 0 20px var(--accent-glow);
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.servicos-container .servico:nth-child(odd) {
    animation: slideInLeft 0.5s ease backwards;
}

.servicos-container .servico:nth-child(even) {
    animation: slideInRight 0.5s ease backwards;
}

.servicos-container .servico:nth-child(1) {
    animation-delay: 0.1s;
}

.servicos-container .servico:nth-child(2) {
    animation-delay: 0.2s;
}

.servicos-container .servico:nth-child(3) {
    animation-delay: 0.3s;
}

.servicos-container .servico:nth-child(4) {
    animation-delay: 0.4s;
}

.servicos-container .servico:nth-child(5) {
    animation-delay: 0.5s;
}

.servicos-container .servico:nth-child(6) {
    animation-delay: 0.6s;
}

.servicos-container .servico:nth-child(7) {
    animation-delay: 0.7s;
}

.servicos-container .servico:nth-child(8) {
    animation-delay: 0.8s;
}