:root {
    --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
    --bg-primary: #0A0F1F;
    /* FUNDO PRINCIPAL */
    --bg-secondary: #1A1F2E;
    /* BLOCOS/CARD */
    --text-primary: #E6E9F0;
    /* TEXTO PRINCIPAL */
    --text-secondary: #A5A9B8;
    /* TEXTO SECUNDÁRIO */
    --input-bg: #121728;
    /* FUNDO DO CAMPO DE INPUT */
    --border-color: rgba(255, 255, 255, 0.08);
    /* COR DA BORDA DO FORM */
    --accent: #007BFF;
    /* COR DE DESTAQUE (BOTÕES/LINKS) */
    --accent-hover: #00BFFF;
    /* HOVER/FOCO */
    --border-subtle: #2C3448;
    /* BORDAS SUTIS */
    --error: #FF4C4C;
    /* ALERTA/ERRO */
    --transition: 0.28s ease;
}

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

html,
body {
    height: 100%;
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
    background: linear-gradient(180deg, var(--bg-primary) 0%);
    color: var(--text-primary);
    line-height: 1.5;
}

#barraProgresso {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    /* altura da barra */
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    width: 0%;
    /* começa vazia */
    z-index: 9999;
    transition: width 0.2s ease-out;
}


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

header .container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(26, 31, 46, 0.92);
    border-bottom: 1px solid rgba(44, 52, 72, 0.18);
    box-shadow: 0 6px 18px rgba(2, 6, 23, 0.6);
    z-index: 1100;
    backdrop-filter: blur(6px);
}

header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    width: 130px;
    height: auto;
}

nav .menu {
    list-style: none;
    display: flex;
    gap: 28px;
    align-items: center;
}

nav .menu a {
    color: var(--text-primary);
    font-weight: 500;
    padding: 8px 6px;
    border-radius: 6px;
    transition: color var(--transition), background var(--transition), transform var(--transition);
    text-decoration: none;
}

nav .menu a:hover,
nav .menu a:focus {
    color: var(--accent-hover);
    transform: translateY(-2px);
}

nav .menu a.active {
    color: var(--accent);
    background: linear-gradient(90deg, rgba(0, 123, 255, 0.06), rgba(0, 191, 255, 0.3));
    box-shadow: 0px 4px 14px rgba(0, 123, 255, 0.06);
}

nav .menu a:focus {
    outline: 2px solid rgba(0, 123, 255, 0.16);
    outline-offset: 3px;
    border: none;
}

body::before {
    content: "";
    display: block;
    height: 72px;
}

section {
    padding: 80px 0;
}

section h2 {
    font-size: 1.6rem;
    margin-bottom: 14px;
    color: var(--text-primary);
}

section p {
    color: var(--text-secondary);
    max-width: 70ch;
    margin-bottom: 18px;
    line-height: 1.55;
}

.hero {
    min-height: 100vh;
    padding: 140px 0 100px;
    background: linear-gradient(180deg, rgba(10, 15, 31, 0.6), rgba(10, 15, 31, 0.95)), radial-gradient(800px 400px at 10% 10%, rgba(0, 123, 255, 0.04), transparent 10%), radial-gradient(600px 300px at 90% 80%, rgba(0, 191, 255, 0.02), transparent 15%);
    text-align: left;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 40px;
    justify-content: space-between;
}


.hero h1 {
    font-size: 2.4rem;
    line-height: 1.05;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.hero p {
    font-size: 1.05rem;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.hero-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
    gap: 20px;
    margin-top: 40px;
}

.btn {
    display: inline-block;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    color: #081226;
    padding: 12px 18px;
    border-radius: 10px;
    font-weight: 600;
    box-shadow: 0 8px 30px rgba(0, 123, 255, 0.08);
    transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 40px rgba(0, 123, 255, 0.12);
    color: black;
}

.sobre {
    min-height: 100vh;
    background: var(--bg-secondary);
}

/* Container principal da section sobre */
.sobre-container {
    display: flex;
    flex-wrap: wrap; /* permite quebrar linha em telas menores */
    gap: 40px;
    align-items: flex-start;
    padding-left: 40px;
    padding-right: 40px;
}

/* Lado esquerdo: texto + cards */
.sobre-left {
    flex: 1 1 500px; /* cresce, encolhe, com base inicial 500px */
    min-width: 300px;
}

/* Lado direito: avatar/foto */
.sobre-right {
    flex: 1 1 400px; /* cresce, encolhe, base 400px */
    min-width: 250px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Avatar */
.avatar-container {
    width: 380px;
    height: 380px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--accent);
}

.avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Cards dentro da section sobre */
.sobre-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 20px;
}

.sobre-cards .card {
    flex: 1 1 200px; /* permite que todos tenham largura similar, quebrando se necessário */
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(44, 52, 72, 0.12);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.01));
    transition: transform 0.28s ease, box-shadow 0.28s ease;
    word-wrap: break-word;
}

/* Ícones nos cards */
.sobre-cards .card .icon {
    font-size: 1.5rem;
    margin-bottom: 6px;
}

/* Títulos dos cards */
.sobre-cards .card h3 {
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 1.05rem;
}

/* Texto dos cards */
.sobre-cards .card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.servicos {
    min-height: 100vh;
}


.servicos .cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 18px;
}

.card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.01));
    border-radius: 12px;
    padding: 20px;
    border: 1px solid rgba(44, 52, 72, 0.12);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.card h3 {
    color: var(--text-primary);
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 22px 40px rgba(2, 6, 23, 0.55);
}

.contato {
    padding: 80px 0;
    background: var(--bg-secondary);
    text-align: center;
}

.contato h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contato p {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    line-height: 1.6;
}

.form-contato {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--input-bg);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 5px var(--accent);
    outline: none;
}

.btn-enviar {
    padding: 14px 0;
    border: none;
    border-radius: 8px;
    background: var(--accent);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-enviar:hover {
    background: var(--accent-hover);
}

.msg-retorno {
    text-align: center;
    margin-top: 14px;
    font-weight: 500;
    transition: opacity var(--trasition);
    opacity: 0;
}

#btnTopo {
    position: fixed;
    right: 20px;
    bottom: 22px;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    color: #081226;
    border: none;
    padding: 12px 14px;
    border-radius: 999px;
    cursor: pointer;
    pointer-events: none;
    opacity: 0;
    transform: translateY(20px);
    box-shadow: 0 8px 30px rgba(0, 123, 255, 0.09);
    transition: transform var(--transition), opacity var(--transition);
    font-size: 1.5rem;
    font-weight: 900;
}

#btnTopo.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--input-bg);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

/* Label flutuante */
.form-group label {
    position: absolute;
    left: 12px;
    top: 14px;
    color: var(--text-secondary);
    background-color: transparent;
    font-size: 1rem;
    pointer-events: none;
    transition: all 0.25s ease;
}

/* Sobe o label quando o campo está preenchido ou focado */
.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 8px;
    font-size: 0.8rem;
    background-color: var(--bg-secondary);
    padding: 0 6px;
    color: var(--accent);
}

/* Estados de foco e validade */
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 6px rgba(0, 123, 255, 0.2);
}

.form-group input.valid,
.form-group textarea.valid {
    border-color: var(--accent);
}

.form-group input.invalid,
.form-group textarea.invalid {
    border-color: var(--error);
}

/* Mensagem de feedback */
.input-feedback {
    display: block;
    margin-top: 6px;
    font-size: 0.85rem;
    color: var(--error);
    min-height: 16px;
}

/* Feedback visual moderno */
.form-group.focused input,
.form-group.focused textarea {
  border-color: var(--accent);
  box-shadow: 0 0 8px rgba(0, 123, 255, 0.25);
}

/* Animação de sucesso */
@keyframes pulseValid {
  0% { box-shadow: 0 0 0 0 rgba(0, 191, 255, 0.4); }
  70% { box-shadow: 0 0 0 8px rgba(0, 191, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 191, 255, 0); }
}
.form-group.pulse-valid input.valid,
.form-group.pulse-valid textarea.valid {
  animation: pulseValid 0.6s ease-out;
}

/* Feedback com fade */
.input-feedback {
  display: block;
  margin-top: 6px;
  font-size: 0.85rem;
  color: var(--error);
  min-height: 16px;
  opacity: 0;
  transition: opacity 0.3s ease, color 0.3s ease;
}

/* Feedback para sucesso */
.form-group input.valid ~ .input-feedback,
.form-group textarea.valid ~ .input-feedback {
  color: var(--accent-hover);
}


/* Corrige label do textarea */
.form-group textarea + label {
    top: 16px;
}

/* Remove setinhas e impede caracteres não numéricos em inputs numéricos */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}

footer {
    margin-top: 40px;
    padding: 28px 0;
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.01));
    color: var(--text-secondary);
    text-align: center;
    font-size: 0.95rem;
}

a {
    color: var(--accent);
    transition: color var(--transition);
}

a:hover {
    color: var(--accent-hover);
}

#menuToggle {
    display: none;
}

/* Hamburger: três linhas */
.hamburger {
    display: none;
    /* escondido em telas grandes */
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    cursor: pointer;
    z-index: 1200;
}

.hamburger span {
    display: block;
    height: 3px;
    width: 100%;
    background: var(--accent);
    border-radius: 2px;
    transition: all 0.7s ease;
}

/* Hamburger animado em X */
.hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

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

.toast-overlay {
    position: fixed;
    inset: 0;
    /* top:0; right:0; bottom:0; left:0; */
    background: rgba(3, 6, 12, 0.55);
    /* escurece atrás */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    backdrop-filter: blur(7px);
    /* blur do fundo (quando suportado) */
    -webkit-backdrop-filter: blur(7px);
    padding: 20px;
    /* segura margens em mobile */
}

/* Toast box: opaco e legível */
.toast-modal {
    width: 100%;
    max-width: 520px;
    background: rgba(10, 15, 25, 0.98);
    /* quase opaco; evita transparência desagradável */
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: 0 24px 80px rgba(2, 6, 23, 0.7);
    color: var(--text-primary);
    padding: 20px 22px;
    border-radius: 12px;
    display: flex;
    gap: 14px;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 100000;
    transform: translateY(-8px) scale(0.98);
    opacity: 0;
    animation: toastModalIn 360ms cubic-bezier(.2, .9, .3, 1) forwards;
}

/* Ícone e texto */
.toast-modal .icon {
    font-size: 1.6rem;
    line-height: 1;
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.toast-modal .text {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
}

/* cor por tipo */
.toast-modal.success {
    border-left: 4px solid var(--accent-hover);
}

.toast-modal.error {
    border-left: 4px solid var(--error);
}

/* animação de entrada/saída */
@keyframes toastModalIn {
    from {
        opacity: 0;
        transform: translateY(-14px) scale(0.96);
    }

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

@keyframes toastModalOut {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }

    to {
        opacity: 0;
        transform: translateY(-14px) scale(0.96);
    }
}

/* =============================== */
/* LOADER DE ENVIO DO FORMULÁRIO */
/* =============================== */

.form-loader-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 15, 25, 0.65);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.4s ease;
}

.form-loader-overlay.fade-out {
    opacity: 0;
}

.form-loader {
    background: var(--bg-secondary);
    padding: 2.5rem 3rem;
    border-radius: 16px;
    box-shadow: 0 0 30px rgba(0, 123, 255, 0.25);
    text-align: center;
    color: var(--text-primary);
    animation: fadeIn 0.4s ease;
    min-width: 260px;
}

.form-loader svg {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
    fill: none;
    stroke: var(--accent);
    stroke-width: 3.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    animation: pulse 1.4s ease-in-out infinite;
}

.form-loader p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

@keyframes pulse {
    0% {
        opacity: 0.2;
        transform: scale(0.95);
    }

    50% {
        opacity: 1;
        transform: scale(1.05);
    }

    100% {
        opacity: 0.2;
        transform: scale(0.95);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}


@media (max-width: 1000px) {
    .hero .hero-cards {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .hero .container {
        flex-direction: column;
        gap: 24px;
    }

    .hero {
        max-width: 100%;
        width: 100%;
    }

    .sobre-container {
        gap: 24px;
        flex-wrap: wrap;
        /* permite que os elementos quebrem linha */
    }

    .sobre-right {
        flex: 1 1 100%;
        /* avatar ocupa toda largura disponível */
        margin-top: 24px;
        justify-content: center;
    }

    .sobre-cards {
        gap: 16px;
        /* espaçamento menor entre os cards */
    }
}

@media (max-width: 680px) {
    .hero .hero-cards {
        grid-template-columns: 1fr;
    }

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

    .hero {
        padding: 100px 0 60px;
        max-width: 100%;
    }

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

    header .container {
        height: 64px;
    }

    .hamburger {
        display: flex;
    }

    hamburger {
        display: flex;
    }

    #navMenu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background: var(--bg-secondary);
        padding: 80px 20px;
        flex-direction: column;
        gap: 24px;
        transition: right 0.9s ease;
        z-index: 1100;
    }

    #navMenu.open {
        right: 0;
    }

    #navMenu ul {
        flex-direction: column;
        gap: 20px;
    }

    body::before {
        height: 64px;
    }

    .toast-modal {
        padding: 16px;
        border-radius: 10px;
        max-width: 92vw;
    }

    .toast-modal .text {
        font-size: 0.95rem;
    }

    .sobre-container {
        gap: 24px;
        flex-wrap: wrap;
        /* permite que os elementos quebrem linha */
    }

    .sobre-right {
        flex: 1 1 100%;
        /* avatar ocupa toda largura disponível */
        margin-top: 24px;
        justify-content: center;
    }

    .sobre-cards {
        gap: 16px;
        /* espaçamento menor entre os cards */
    }

    .avatar-container {
        width: 280px;
        height: 280px;
    }
}