/* =============================================================================
   Paleta 4C3RT0 (validada com logo.svg)
   Carvão #3D3D3D | Vermelho #C84C4C | Coral #FF7272 | Laranja #FFB85F
   Cinza barra #9E9E9E | Branco #FFFFFF | Fundo suave derivado do branco quente
   ============================================================================= */
:root {
    --charcoal: #3d3d3d;
    --red-deep: #c84c4c;
    --coral: #ff7272;
    --orange-accent: #ffb85f;
    --gray-medium: #9e9e9e;
    --white: #ffffff;
    /* Superfícies escuras (header/rodapé): um tom abaixo do carvão */
    --surface-deep: #2c2c2c;
    /* Texto claro sobre fundo escuro */
    --text-on-dark: #f5f2f2;
    /* Fundo de seção alternada: branco com leve calor */
    --bg-soft: #faf7f7;

    --primary-color: var(--charcoal);
    --secondary-color: var(--red-deep);
    --accent-color: var(--coral);
    --light-color: var(--text-on-dark);
    --medium-color: var(--gray-medium);

    /* Canais RGB para rgba() — mesmos valores do logo */
    --rgb-charcoal: 61, 61, 61;
    --rgb-red-deep: 200, 76, 76;
    --rgb-coral: 255, 114, 114;
    --rgb-gray-medium: 158, 158, 158;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--primary-color);
    background-color: var(--white);
}

.skip-link {
    position: absolute;
    left: -9999px;
    z-index: 10001;
    padding: 12px 20px;
    background: var(--red-deep);
    color: var(--white);
    font-weight: 600;
    text-decoration: none;
    border-radius: 0 0 4px 0;
}

.skip-link:focus {
    left: 0;
    top: 0;
    outline: 2px solid var(--orange-accent);
    outline-offset: 2px;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.logo-link:focus-visible {
    outline: 2px solid var(--orange-accent);
    outline-offset: 4px;
    border-radius: 4px;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Cabeçalho */
header {
    background: linear-gradient(135deg, var(--charcoal) 0%, var(--surface-deep) 100%);
    color: var(--light-color);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 12px rgba(var(--rgb-charcoal), 0.25);
    border-bottom: 3px solid var(--red-deep);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.logo-wordmark {
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.04em;
    color: var(--white);
}

.logo-wordmark span {
    font-weight: 500;
    color: var(--coral);
    font-size: 0.85em;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    color: var(--light-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--orange-accent);
}

/* Seção Hero — overlay só com tons da marca */
#hero {
    background:
        linear-gradient(
            145deg,
            rgba(var(--rgb-charcoal), 0.92) 0%,
            rgba(var(--rgb-red-deep), 0.75) 45%,
            rgba(var(--rgb-coral), 0.55) 100%
        ),
        url('../img/logo.svg') no-repeat center center / min(120vw, 900px);
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 0 2px 20px rgba(var(--rgb-charcoal), 0.35);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    /* Texto sobre gradiente: branco com leve transparência (legibilidade) */
    color: rgba(255, 255, 255, 0.92);
}

.btn {
    display: inline-block;
    background-color: var(--red-deep);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease;
    border: 2px solid transparent;
}

.btn:hover {
    background-color: var(--coral);
    transform: translateY(-2px);
}

.btn:focus-visible {
    outline: 2px solid var(--orange-accent);
    outline-offset: 3px;
}

/* Seções */
.section {
    padding: 80px 0;
}

.section h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

.section h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--red-deep), var(--orange-accent));
    border-radius: 2px;
}

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

.content-wrapper {
    display: flex;
    gap: 40px;
    align-items: center;
}

.text-content {
    flex: 1;
}

.text-content p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.text-content a {
    color: var(--red-deep);
    font-weight: 600;
}

.text-content a:hover {
    color: var(--coral);
}

.text-content a:focus-visible {
    outline: 2px solid var(--orange-accent);
    outline-offset: 2px;
}

.image-placeholder {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.feature-img {
    max-width: 100%;
    max-height: 300px;
    object-fit: contain;
    border-radius: 8px;
}

/* Seção de Serviços */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(var(--rgb-red-deep), 0.08);
    border: 1px solid rgba(var(--rgb-gray-medium), 0.2);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(var(--rgb-red-deep), 0.15);
}

.service-card .icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--red-deep);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--charcoal);
}

.service-card p {
    color: var(--gray-medium);
}

/* Rodapé */
footer {
    background: linear-gradient(180deg, var(--charcoal) 0%, var(--surface-deep) 100%);
    color: var(--light-color);
    padding: 48px 0 32px;
    border-top: 3px solid var(--red-deep);
}

/* Duas colunas fixas (marca | contato); copyright ocupa linha inteira — evita auto-fit a criar 3+ faixas vazias */
.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
    align-items: start;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
    text-align: center;
}

.footer-logo-img {
    height: 56px;
    width: auto;
    object-fit: contain;
    display: block;
}

.footer-brand {
    color: var(--white);
    text-align: center;
    font-weight: 700;
    font-size: clamp(1rem, 2.5vw, 1.125rem);
    letter-spacing: 0.03em;
    margin: 0;
    line-height: 1.45;
    max-width: 22ch;
}

.footer-brand-tag {
    font-weight: 500;
    font-size: 0.88em;
    color: var(--coral);
    margin-left: 0.35em;
}

.footer-contact {
    min-width: 0;
}

.footer-contact h3 {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin: 0 0 1rem;
    padding-bottom: 0.65rem;
    position: relative;
    color: var(--white);
}

.footer-contact h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 2.75rem;
    height: 2px;
    border-radius: 1px;
    background: linear-gradient(90deg, var(--coral), var(--orange-accent));
}

.footer-address {
    font-style: normal;
    margin: 0;
    padding: 0;
}

.footer-contact-item {
    margin: 0 0 1.125rem;
    padding: 0;
}

.footer-contact-item:last-child {
    margin-bottom: 0;
}

/* Ícone em coluna fixa; texto e link alinhados na mesma margem */
.footer-contact-label {
    display: block;
    position: relative;
    padding-left: 1.625rem;
    margin: 0 0 0.4rem;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.01em;
    color: rgba(245, 242, 242, 0.95);
    line-height: 1.4;
}

.footer-contact-label i {
    position: absolute;
    left: 0;
    top: 0.1em;
    width: 1.125rem;
    text-align: center;
    color: var(--orange-accent);
    font-size: 0.95em;
}

.footer-contact-value {
    display: inline-block;
    margin: 0;
    padding-left: 1.625rem;
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.5;
    color: var(--text-on-dark);
    text-decoration: none;
    word-break: break-word;
}

.footer-contact-value:hover {
    color: var(--coral);
}

.footer-contact-value:focus-visible {
    outline: 2px solid var(--orange-accent);
    outline-offset: 3px;
    border-radius: 2px;
}

.footer-copyright {
    grid-column: 1 / -1;
    margin-top: 0.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(var(--rgb-coral), 0.28);
    text-align: center;
    color: var(--gray-medium);
    font-size: 0.8125rem;
}

.footer-copyright p {
    margin: 0;
    line-height: 1.6;
    letter-spacing: 0.02em;
}

.developer-credit {
    text-align: center;
    color: var(--gray-medium);
}

.developer-credit a {
    text-align: center;
    color: var(--gray-medium);
}

.developer-credit a:hover {
    color: var(--coral);
}

.developer-credit a:focus-visible {
    outline: 2px solid var(--orange-accent);
    outline-offset: 2px;
}

/* ============================================================================= 
   RESPONSIVIDADE MOBILE-FIRST
   ============================================================================= */

/* Extra Small Devices (320px - 479px) - Celulares muito pequenos */
@media (max-width: 479px) {
    /* Cabeçalho */
    header {
        padding: 12px 0;
        border-bottom: 2px solid var(--red-deep);
    }

    header .container {
        flex-direction: column;
        gap: 12px;
    }

    .logo {
        margin-bottom: 10px;
        gap: 8px;
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
    }

    .logo-img {
        height: 32px;
    }

    .logo-wordmark {
        font-size: 0.9rem;
        letter-spacing: 0.02em;
    }

    nav ul {
        margin-top: 10px;
        justify-content: center;
        flex-wrap: wrap;
    }

    nav ul li {
        margin: 0 8px;
        font-size: 0.9rem;
    }

    /* Hero */
    #hero {
        min-height: calc(100vh - 120px);
        padding-top: 110px;
        background-size: min(150vw, 600px);
        background-position: center 80px;
    }

    .hero-content {
        max-width: 90%;
        padding: 0 10px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
        margin-bottom: 15px;
        text-shadow: 0 1px 10px rgba(var(--rgb-charcoal), 0.4);
    }

    .hero-content p {
        font-size: 0.95rem;
        margin-bottom: 20px;
        line-height: 1.5;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    /* Seções */
    .section {
        padding: 40px 0;
    }

    .container {
        padding: 0 15px;
    }

    .section h2 {
        font-size: 1.6rem;
        margin-bottom: 25px;
        padding-bottom: 12px;
    }

    .section h2:after {
        width: 60px;
        height: 3px;
    }

    /* Content Wrapper */
    .content-wrapper {
        gap: 20px;
        flex-direction: column;
    }

    .text-content p {
        font-size: 0.95rem;
        margin-bottom: 15px;
    }

    .feature-img {
        max-height: 200px;
    }

    /* Grid de Serviços */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .service-card {
        padding: 20px;
        border-radius: 6px;
    }

    .service-card .icon {
        font-size: 2rem;
        margin-bottom: 15px;
    }

    .service-card h3 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }

    .service-card p {
        font-size: 0.9rem;
    }

    /* Footer */
    footer {
        padding: 30px 0 20px;
    }

    .footer-content {
        gap: 20px;
    }

    .footer-logo {
        gap: 12px;
    }

    .footer-logo-img {
        height: 48px;
    }

    .footer-brand {
        font-size: clamp(0.9rem, 2vw, 1rem);
        max-width: 20ch;
    }

    .footer-contact h3 {
        font-size: 1rem;
        margin-bottom: 0.75rem;
        padding-bottom: 0.5rem;
    }

    .footer-contact-label {
        font-size: 0.8rem;
        padding-left: 1.4rem;
    }

    .footer-contact-label i {
        font-size: 0.85em;
        width: 1rem;
    }

    .footer-contact-value {
        font-size: 0.85rem;
        padding-left: 1.4rem;
    }

    .footer-copyright {
        font-size: 0.75rem;
        margin-top: 0.25rem;
        padding-top: 1rem;
    }
}

/* Small Devices (480px - 767px) - Celulares médios a grandes */
@media (min-width: 480px) and (max-width: 767px) {
    header {
        padding: 13px 0;
    }

    header .container {
        flex-direction: column;
        gap: 13px;
    }

    .logo {
        margin-bottom: 12px;
        gap: 10px;
    }

    .logo-img {
        height: 36px;
    }

    .logo-wordmark {
        font-size: 1rem;
        letter-spacing: 0.03em;
    }

    nav ul {
        margin-top: 12px;
        justify-content: center;
    }

    nav ul li {
        margin: 0 12px;
        font-size: 0.95rem;
    }

    #hero {
        height: 70vh;
        padding-top: 90px;
        background-size: min(110vw, 750px);
        background-position: center 85px;
    }

    .hero-content h1 {
        font-size: 2rem;
        margin-bottom: 18px;
    }

    .hero-content p {
        font-size: 1rem;
        margin-bottom: 25px;
    }

    .btn {
        padding: 11px 25px;
        font-size: 0.95rem;
    }

    .section {
        padding: 50px 0;
    }

    .container {
        padding: 0 18px;
    }

    .section h2 {
        font-size: 1.85rem;
        margin-bottom: 30px;
        padding-bottom: 13px;
    }

    .section h2:after {
        width: 70px;
        height: 3px;
    }

    .content-wrapper {
        gap: 25px;
        flex-direction: column;
    }

    .text-content p {
        font-size: 1rem;
        margin-bottom: 15px;
    }

    .feature-img {
        max-height: 250px;
    }

    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }

    .service-card {
        padding: 25px;
    }

    .service-card .icon {
        font-size: 2.2rem;
        margin-bottom: 15px;
    }

    .service-card h3 {
        font-size: 1.3rem;
        margin-bottom: 12px;
    }

    .service-card p {
        font-size: 0.95rem;
    }

    footer {
        padding: 35px 0 25px;
    }

    .footer-content {
        gap: 24px;
    }

    .footer-logo {
        gap: 14px;
    }

    .footer-logo-img {
        height: 50px;
    }

    .footer-brand {
        font-size: clamp(0.95rem, 2.2vw, 1.05rem);
    }

    .footer-contact h3 {
        font-size: 1.05rem;
        margin-bottom: 0.85rem;
    }

    .footer-contact-label {
        font-size: 0.85rem;
    }

    .footer-contact-value {
        font-size: 0.9rem;
    }

    .footer-copyright {
        font-size: 0.8rem;
        padding-top: 1.2rem;
    }
}

/* Medium Devices (768px - 1023px) - Tablets pequenas e celulares extra grandes */
@media (min-width: 768px) and (max-width: 1023px) {
    header .container {
        flex-direction: row;
    }

    .logo {
        margin-bottom: 0;
    }

    .logo-img {
        height: 38px;
    }

    .logo-wordmark {
        font-size: 1.08rem;
    }

    nav ul {
        margin-top: 0;
    }

    nav ul li {
        margin-left: 20px;
        font-size: 0.95rem;
    }

    #hero {
        height: 75vh;
        padding-top: 85px;
        background-size: min(110vw, 800px);
        background-position: center 75px;
    }

    .hero-content h1 {
        font-size: 2.3rem;
        margin-bottom: 20px;
    }

    .hero-content p {
        font-size: 1.1rem;
        margin-bottom: 28px;
    }

    .section {
        padding: 60px 0;
    }

    .container {
        padding: 0 20px;
    }

    .section h2 {
        font-size: 2.2rem;
        margin-bottom: 35px;
    }

    .content-wrapper {
        gap: 30px;
    }

    .text-content p {
        font-size: 1.05rem;
        margin-bottom: 18px;
    }

    .feature-img {
        max-height: 280px;
    }

    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 25px;
    }

    .service-card {
        padding: 28px;
    }

    .service-card h3 {
        font-size: 1.4rem;
    }

    footer {
        padding: 40px 0 28px;
    }

    .footer-content {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 30px 40px;
    }

    .footer-logo-img {
        height: 54px;
    }

    .footer-brand {
        font-size: clamp(1rem, 2.3vw, 1.1rem);
    }

    .footer-contact h3 {
        font-size: 1.1rem;
    }
}

/* Large Devices (1024px+) - Tablets grandes e desktops */
@media (min-width: 1024px) {
    #hero {
        height: 100vh;
        padding-top: 80px;
        background-size: min(120vw, 900px);
        background-position: center center;
    }

    .hero-content h1 {
        font-size: 3rem;
        margin-bottom: 20px;
    }

    .hero-content p {
        font-size: 1.2rem;
        margin-bottom: 30px;
    }

    .section {
        padding: 80px 0;
    }

    .section h2 {
        font-size: 2.5rem;
        margin-bottom: 40px;
    }

    .content-wrapper {
        gap: 40px;
    }

    .text-content p {
        font-size: 1.1rem;
        margin-bottom: 20px;
    }

    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 30px;
    }

    .service-card {
        padding: 30px;
    }

    footer {
        padding: 48px 0 32px;
    }

    .footer-content {
        gap: 32px 48px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .btn,
    .service-card,
    nav ul li a {
        transition: none;
    }

    .btn:hover {
        transform: none;
    }

    .service-card:hover {
        transform: none;
    }
}