/* VARIABLES & ROOT */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&display=swap");

:root {
    --cor-fundo: #0a0e17;
    --cor-superficie: #111827;
    --cor-texto: #9ca3af;
    --cor-titulos: #f9fafb;
    --cor-destaque: #00e5ff;
    --cor-bordas: #1f2937;
    --fonte-texto: "Inter", system-ui, sans-serif;
    --fonte-tech: "JetBrains Mono", monospace;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

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

body {
    font-family: var(--fonte-texto);
    color: var(--cor-texto);
    line-height: 1.7;
    background-color: var(--cor-fundo);
    overflow-x: hidden;
    padding-top: 80px;
}

h1,
h2,
h3,
h4 {
    color: var(--cor-titulos);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: var(--cor-titulos);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--cor-destaque);
}

/* HEADER */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem max(5%, calc((100% - 1100px) / 2));
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 2000;
    background-color: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--cor-bordas);
    transition: all 0.3s ease;
}

header .logo a {
    font-family: var(--fonte-tech);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--cor-destaque);
    letter-spacing: -1px;
}

header nav ul {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

header nav a {
    font-weight: 600;
    font-size: 0.95rem;
}

/* LAYOUT */
section {
    padding: 6rem max(5%, calc((100% - 1100px) / 2));
}

/* HERO */
#hero {
    background-color: var(--cor-fundo);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-bottom: 1px solid var(--cor-bordas);
}

#hero h1 {
    font-size: 3.5rem;
    max-width: 800px;
    line-height: 1.1;
}

#hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

.hero-trust {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    font-family: var(--fonte-tech);
    font-size: 0.85rem;
    color: var(--cor-destaque);
}

/* BUTTONS */
.cta-button,
form button {
    display: inline-block;
    font-family: var(--fonte-tech);
    background-color: var(--cor-destaque);
    color: #000000;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 2px;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover,
form button:hover {
    background-color: #00b3cc;
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.4);
    transform: translateY(-2px);
}

.cta-button.outline {
    background-color: transparent;
    color: var(--cor-destaque);
    border: 1px solid var(--cor-destaque);
}

.cta-button.small {
    padding: 0.6rem 1.5rem;
    font-size: 0.8rem;
    margin-top: 1rem;
}

/* GRIDS */
.grid-servicos,
.grid-processo {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    align-items: stretch;
}

.grid-servicos article,
.passo {
    background-color: var(--cor-superficie);
    padding: 2.5rem;
    border: 1px solid var(--cor-bordas);
    border-radius: 2px;
    display: flex;
    flex-direction: column;
    text-align: left;
    transition: all 0.3s ease;
}

.grid-servicos article {
    border-top: 3px solid var(--cor-destaque);
}

.grid-servicos article:hover,
.passo:hover {
    transform: translateY(-5px);
    border-color: #374151;
}

.grid-servicos article:hover {
    border-top-color: #ffffff;
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.1);
}

.servico-extra {
    display: none !important;
}

.grid-servicos.expandida .servico-extra {
    display: block !important;
    animation: fadein 0.5s ease-in;
}

.passo .numero {
    font-family: var(--fonte-tech);
    font-size: 5rem;
    font-weight: 800;
    color: var(--cor-fundo);
    position: absolute;
    top: -15px;
    right: 10px;
    z-index: 0;
}

@keyframes fadein {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

/* ABOUT & FAQ */
#sobre {
    background-color: var(--cor-superficie);
    border-top: 1px solid var(--cor-bordas);
    border-bottom: 1px solid var(--cor-bordas);
}

.servicos-footer {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-top: 4rem;
}

.sobre-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
    text-align: left;
}

.faq-lista h3 {
    font-family: var(--fonte-tech);
    font-size: 1.1rem;
    color: var(--cor-destaque);
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.faq-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--cor-bordas);
}

.faq-extra {
    display: none;
}

.faq-lista.expandida .faq-extra {
    display: block;
    animation: fadein 0.4s ease-in;
}

/* CONTACTS */
.contactos-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    background-color: var(--cor-superficie);
    padding: 3rem;
    border: 1px solid var(--cor-bordas);
    border-radius: 2px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

form label {
    font-family: var(--fonte-tech);
    font-size: 0.9rem;
    margin-bottom: -1rem;
}

form input,
form textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--cor-bordas);
    background-color: var(--cor-fundo);
    color: var(--cor-titulos);
    font-family: var(--fonte-texto);
    resize: vertical;
}

form input:focus,
form textarea:focus {
    outline: none;
    border-color: var(--cor-destaque);
}

.campo-rgpd {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    margin: 0.5rem 0;
}

.campo-rgpd input {
    width: auto;
    margin-top: 5px;
    accent-color: var(--cor-destaque);
}

#mensagem-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 2px;
    display: none;
    text-align: center;
    font-size: 0.9rem;
}

#mensagem-status.sucesso {
    background: rgba(16, 185, 129, 0.1);
    color: #10B981;
    border: 1px solid #10B981;
    display: block;
}

#mensagem-status.erro {
    background: rgba(239, 68, 68, 0.1);
    color: #EF4444;
    border: 1px solid #EF4444;
    display: block;
}

/* FOOTER & UI */
footer {
    padding: 2rem max(5%, calc((100% - 1100px) / 2));
    background-color: #05070a;
    text-align: center;
    color: #6b7280;
}

#btn-topo {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--cor-destaque);
    border: none;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
    z-index: 999;
}

#btn-topo.mostrar {
    opacity: 1;
    visibility: visible;
}

/* RESPONSIVENESS */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle .linha {
    width: 100%;
    height: 3px;
    background: var(--cor-destaque);
    transition: 0.3s;
}

@media (max-width: 900px) {

    .sobre-container,
    .contactos-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    header {
        padding: 1.5rem;
    }

    .menu-toggle {
        display: flex;
    }

    header nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--cor-superficie);
        padding: 2rem;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: 0.3s;
    }

    header nav.ativo {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    header nav ul {
        flex-direction: column;
    }

    #hero h1 {
        font-size: 2.2rem;
    }

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

    .hero-trust {
        flex-direction: column;
        gap: 0.5rem;
    }

    section {
        padding: 4rem 1.2rem;
    }

    .contactos-container {
        padding: 1.5rem 1rem;
        gap: 1.5rem;
    }

    form label {
        margin-bottom: 0.2rem;
        font-size: 0.85rem;
    }

    form input,
    form textarea {
        padding: 1.2rem 1rem;
        font-size: 16px;
    }

    form textarea {
        min-height: 150px;
    }

    #btn-topo {
        bottom: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
        opacity: 0.6;
    }

    .campo-rgpd {
        margin-bottom: 2rem;
        padding-right: 40px;
    }
}

/* MODAL */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--cor-superficie);
    margin: 10% auto;
    padding: 2rem;
    border: 1px solid var(--cor-bordas);
    width: 90%;
    max-width: 600px;
    border-radius: 2px;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.fechar-modal {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    color: var(--cor-texto);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
}

.fechar-modal:hover {
    color: var(--cor-destaque);
}

.modal-body {
    margin-top: 2rem;
    color: var(--cor-texto);
    font-size: 0.9rem;
    line-height: 1.6;
}

.modal-body p {
    margin-bottom: 1rem;
}

.modal-body strong {
    color: var(--cor-destaque);
    font-family: var(--fonte-tech);
}

/* LOADER */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--cor-fundo);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s;
}

.loader-content {
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--cor-superficie);
    border-top: 4px solid var(--cor-destaque);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1.5rem auto;
}

.loader-text {
    font-family: var(--fonte-tech);
    color: var(--cor-destaque);
    font-size: 0.9rem;
    letter-spacing: 2px;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

.loader-hidden {
    opacity: 0;
    visibility: hidden;
}