/* ═══════════════════════════════════════════════════════════════
   PERSONART — STYLE.CSS
   ═══════════════════════════════════════════════════════════════
   
   Como modificar as cores facilmente:
   
   Todas as cores principais estão definidas em :root (logo abaixo).
   Para mudar a aparência do site, basta alterar os valores HEX
   das variáveis CSS. TUDO no site atualiza automaticamente!
   
   Exemplo: mudar o laranja para vermelho:
   --cor-laranja: #FF6B35;  →  --cor-laranja: #E63946;
   
   Não precisas de procurar mais nada no ficheiro.
   ═══════════════════════════════════════════════════════════════ */

:root {
    /* ═══ CORES PRINCIPAIS ═══ */
    --cor-laranja: #FF6B35;        /* Cor principal vibrante */
    --cor-laranja-claro: #FF8F5C;  /* Variação mais clara */
    --cor-roxo: #7B2D8E;           /* Cor secundária */
    --cor-roxo-claro: #9B4FB0;     /* Variação mais clara */
    --cor-azul-escuro: #0B1120;    /* Fundo Hero (mantido escuro) */
    --cor-azul-medio: #F8F9FC;     /* Fundo secundário CLARO */
    --cor-azul-card: #FFFFFF;        /* Fundo dos cards BRANCO */

    /* ═══ CORES DE DESTAQUE ═══ */
    --cor-destaque: #00D4AA;       /* Verde/azul turquesa */
    --cor-amarelo: #FFD166;        /* Amarelo dourado */
    --cor-rosa: #EF476F;           /* Rosa vibrante */

    /* ═══ CORES DE TEXTO ═══ */
    --cor-texto: #1A202C;          /* Texto principal ESCURO */
    --cor-texto-suave: #4A5568;    /* Texto secundário cinza */
    --cor-texto-escuro: #1A202C;   /* Texto em fundos claros */

    /* ═══ CORES UTILITÁRIAS ═══ */
    --cor-branco: #FFFFFF;
    --cor-preto: #000000;
    --cor-borda: rgba(0, 0, 0, 0.08);
    --cor-sombra: rgba(0, 0, 0, 0.08);

    /* ═══ TIPOGRAFIA ═══ */
    --fonte-principal: 'Poppins', sans-serif;
    --fonte-tamanho-base: 16px;

    /* ═══ ESPAÇAMENTOS ═══ */
    --container-largura: 1200px;
    --section-padding: 100px;
    --border-radius: 16px;
    --border-radius-sm: 8px;

    /* ═══ ANIMAÇÕES ═══ */
    --transicao-rapida: 0.2s ease;
    --transicao-normal: 0.3s ease;
    --transicao-lenta: 0.5s ease;
}

/* ═══════════════════════════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════════════════════════ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--fonte-tamanho-base);
}

body {
    font-family: var(--fonte-principal);
    background-color: var(--cor-azul-escuro);
    color: var(--cor-texto);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transicao-normal);
}

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ═══════════════════════════════════════════════════════════════
   UTILITÁRIOS
   ═══════════════════════════════════════════════════════════════ */
.container {
    max-width: var(--container-largura);
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 20px;
    background: linear-gradient(135deg, var(--cor-laranja), var(--cor-roxo));
    color: var(--cor-branco);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--cor-branco);
}

.gradient-text {
    background: linear-gradient(135deg, var(--cor-laranja), var(--cor-roxo), var(--cor-destaque));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 5s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.highlight {
    color: var(--cor-laranja);
    font-weight: 700;
}

/* ═══════════════════════════════════════════════════════════════
   BOTÕES
   ═══════════════════════════════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all var(--transicao-normal);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--cor-laranja), var(--cor-roxo));
    color: var(--cor-branco);
    box-shadow: 0 8px 32px rgba(255, 107, 53, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(255, 107, 53, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--cor-branco);
    border: 2px solid var(--cor-branco);
}

.btn-secondary:hover {
    background: var(--cor-branco);
    color: var(--cor-azul-escuro);
    transform: translateY(-3px);
}

.btn-large {
    padding: 18px 48px;
    font-size: 1.1rem;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 16px 32px;
    border: none;
    font-size: 1.05rem;
}

/* ═══════════════════════════════════════════════════════════════
   NAVEGAÇÃO
   ═══════════════════════════════════════════════════════════════ */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transicao-normal);
}

#navbar.scrolled {
    background: rgba(11, 17, 32, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    padding: 10px 0;
}

.nav-container {
    max-width: var(--container-largura);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo-person {
    color: var(--cor-branco);
}

.logo-art {
    background: linear-gradient(135deg, var(--cor-laranja), var(--cor-roxo));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 18px;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 50px;
    transition: all var(--transicao-normal);
    color: rgba(255, 255, 255, 0.85);
}

.nav-link:hover {
    color: var(--cor-branco);
    background: rgba(255, 255, 255, 0.1);
}

.nav-cta {
    background: linear-gradient(135deg, var(--cor-laranja), var(--cor-roxo));
    color: var(--cor-branco) !important;
}

.nav-cta:hover {
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.4);
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--cor-branco);
    padding: 8px;
}

/* ═══════════════════════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1550684848-fac1c5b4e853?w=1920&h=1080&fit=crop') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(11, 17, 32, 0.92) 0%,
        rgba(11, 17, 32, 0.75) 50%,
        rgba(123, 45, 142, 0.3) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 24px;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 800;
    letter-spacing: -3px;
    line-height: 1;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 300;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.75);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.scroll-indicator i {
    font-size: 1.2rem;
}

/* ═══════════════════════════════════════════════════════════════
   SOBRE SECTION
   ═══════════════════════════════════════════════════════════════ */
.sobre {
    background: var(--cor-branco);
}

.sobre .section-title {
    color: var(--cor-texto);
}

.sobre-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.sobre-texto p {
    font-size: 1.05rem;
    color: var(--cor-texto-suave);
    margin-bottom: 20px;
}

.sobre-texto strong {
    color: var(--cor-texto);
}

.sobre-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--cor-borda);
}

.stat {
    text-align: center;
}

.stat-num,
.stat-suffix {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--cor-laranja), var(--cor-roxo));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    display: block;
    margin-top: 8px;
    font-size: 0.9rem;
    color: var(--cor-texto-suave);
}

.sobre-imagem {
    position: relative;
}

.sobre-imagem img {
    border-radius: var(--border-radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    position: relative;
    z-index: 2;
}

.sobre-imagem-decor {
    position: absolute;
    top: 30px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--cor-laranja);
    border-radius: var(--border-radius);
    z-index: 1;
}

@media (max-width: 768px) {
    .sobre-imagem-decor {
        display: none;
    }
}

/* ═══════════════════════════════════════════════════════════════
   SERVIÇOS SECTION
   ═══════════════════════════════════════════════════════════════ */
.servicos {
    position: relative;
    background: #1e293b;
    overflow: hidden;
}

.servicos-bg {
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1558591710-4b4a1ae0f04d?w=1920&h=1080&fit=crop') center/cover no-repeat;
    opacity: 0.15;
    filter: brightness(1.5);
}

.servicos::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.08) 1px, transparent 0);
    background-size: 32px 32px;
    z-index: 0;
}

.servicos .section-title {
    color: var(--cor-branco);
    text-shadow: none;
}

.servicos-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.servico-card {
    background: var(--cor-branco);
    border: 1px solid var(--cor-borda);
    border-radius: var(--border-radius);
    padding: 40px;
    transition: all var(--transicao-normal);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.servico-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--cor-laranja), var(--cor-roxo));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transicao-normal);
}

.servico-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
    border-color: rgba(255, 107, 53, 0.3);
}

.servico-card:hover::before {
    transform: scaleX(1);
}

.servico-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--border-radius-sm);
    background: linear-gradient(135deg, var(--cor-laranja), var(--cor-roxo));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--cor-branco);
    margin-bottom: 24px;
}

.servico-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--cor-texto);
}

.servico-card p {
    color: var(--cor-texto-suave);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.servico-lista li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    color: var(--cor-texto-suave);
    font-size: 0.9rem;
}

.servico-lista i {
    color: var(--cor-laranja);
    font-size: 0.8rem;
}

/* ═══════════════════════════════════════════════════════════════
   PORTFÓLIO SECTION
   ═══════════════════════════════════════════════════════════════ */
.portfolio {
    background: var(--cor-branco);
}

.portfolio .section-title {
    color: var(--cor-texto);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.portfolio-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 1;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transicao-lenta);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(11, 17, 32, 0.95) 0%,
        rgba(11, 17, 32, 0.4) 50%,
        transparent 100%
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity var(--transicao-normal);
}

.portfolio-tag {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--cor-laranja), var(--cor-roxo));
    color: var(--cor-branco);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 10px;
    align-self: flex-start;
}

.portfolio-overlay h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--cor-branco);
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-nota {
    text-align: center;
    margin-top: 30px;
    color: var(--cor-texto-suave);
    font-size: 0.9rem;
}

.portfolio-nota i {
    color: var(--cor-laranja);
    margin-right: 6px;
}

/* ═══════════════════════════════════════════════════════════════
   CTA SECTION
   ═══════════════════════════════════════════════════════════════ */
.cta-section {
    position: relative;
    padding: 120px 0;
    text-align: center;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1558618666-fcd25c85f82e?w=1920&h=600&fit=crop') center/cover no-repeat;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(11, 17, 32, 0.93) 0%,
        rgba(123, 45, 142, 0.6) 50%,
        rgba(255, 107, 53, 0.5) 100%
    );
}

.cta-section .container {
    position: relative;
    z-index: 2;
}

.cta-section h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--cor-branco);
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
}

/* ═══════════════════════════════════════════════════════════════
   CONTACTO SECTION
   ═══════════════════════════════════════════════════════════════ */
.contacto {
    background: var(--cor-branco);
}

.contacto .section-title {
    color: var(--cor-texto);
}

.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contacto-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--cor-texto);
}

.contacto-info > p {
    color: var(--cor-texto-suave);
    margin-bottom: 40px;
    line-height: 1.7;
}

.contacto-detalhes {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.contacto-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contacto-item i {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    background: linear-gradient(135deg, var(--cor-laranja), var(--cor-roxo));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cor-branco);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contacto-label {
    display: block;
    font-size: 0.85rem;
    color: var(--cor-texto-suave);
    margin-bottom: 4px;
}

.contacto-item a,
.contacto-item span:last-child {
    color: var(--cor-texto);
    font-weight: 600;
    font-size: 1rem;
}

.contacto-item a:hover {
    color: var(--cor-laranja);
}

.contacto-social {
    display: flex;
    gap: 12px;
}

.contacto-social a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--cor-azul-medio);
    border: 1px solid var(--cor-borda);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cor-texto-suave);
    font-size: 1.1rem;
    transition: all var(--transicao-normal);
}

.contacto-social a:hover {
    background: linear-gradient(135deg, var(--cor-laranja), var(--cor-roxo));
    color: var(--cor-branco);
    border-color: transparent;
    transform: translateY(-3px);
}

/* ─── Formulário ─── */
.contacto-form {
    background: var(--cor-azul-medio);
    border: 1px solid var(--cor-borda);
    border-radius: var(--border-radius);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--cor-texto);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--cor-branco);
    border: 1px solid var(--cor-borda);
    border-radius: var(--border-radius-sm);
    color: var(--cor-texto);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transicao-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--cor-laranja);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
    background: var(--cor-branco);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(74, 85, 104, 0.5);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234A5568' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 18px center;
}

.form-group select option {
    background: var(--cor-branco);
    color: var(--cor-texto);
}

.form-nota {
    text-align: center;
    margin-top: 16px;
    font-size: 0.85rem;
    color: var(--cor-texto-suave);
}

.form-nota i {
    color: var(--cor-destaque);
    margin-right: 6px;
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */
.footer {
    background: var(--cor-azul-escuro);
    border-top: 1px solid var(--cor-borda);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    display: inline-block;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--cor-texto-suave);
    line-height: 1.7;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--cor-branco);
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--cor-texto-suave);
    font-size: 0.95rem;
    transition: all var(--transicao-normal);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--cor-laranja);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid var(--cor-borda);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--cor-texto-suave);
}

.footer-bottom i {
    color: var(--cor-rosa);
}

/* ═══════════════════════════════════════════════════════════════
   PHONE FLOAT
   ═══════════════════════════════════════════════════════════════ */
.phone-float {
    position: fixed;
    bottom: 30px;
    right: 100px;
    width: 60px;
    height: 60px;
    background: #2563EB;
    color: var(--cor-branco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
    z-index: 999;
    transition: all var(--transicao-normal);
}

.phone-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 99, 235, 0.6);
}

/* ═══════════════════════════════════════════════════════════════
   WHATSAPP FLOAT
   ═══════════════════════════════════════════════════════════════ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--cor-branco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all var(--transicao-normal);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

/* ═══════════════════════════════════════════════════════════════
   BACK TO TOP
   ═══════════════════════════════════════════════════════════════ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--cor-laranja), var(--cor-roxo));
    color: var(--cor-branco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transicao-normal);
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.5);
}

/* ═══════════════════════════════════════════════════════════════
   ANIMAÇÕES AO SCROLL
   ═══════════════════════════════════════════════════════════════ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVO
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 992px) {
    .sobre-grid,
    .contacto-grid {
        grid-template-columns: 1fr;
    }

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

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(11, 17, 32, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 20px;
        transition: right var(--transicao-normal);
    }

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

    .nav-link {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .sobre-stats {
        flex-direction: column;
        gap: 24px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contacto-form {
        padding: 24px;
    }

    .section-padding {
        padding: 60px 0;
    }

    .cta-section {
        padding: 80px 0;
    }

    .phone-float {
        width: 52px;
        height: 52px;
        font-size: 1.3rem;
        bottom: 20px;
        right: 82px;
    }

    .whatsapp-float {
        width: 52px;
        height: 52px;
        font-size: 1.5rem;
        bottom: 20px;
        right: 20px;
    }

    .back-to-top {
        width: 44px;
        height: 44px;
        font-size: 1rem;
        bottom: 20px;
        left: 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 3rem;
    }

    .servico-card {
        padding: 28px;
    }

    .contacto-form {
        padding: 20px;
    }
}