/* ==========================================================================
   DEEP LISBON - CSS CORPORATIVO (Modern Dark & Bronze)
   ========================================================================== */

:root {
    --bg-dark: #0a0a0a;
    --bg-light: #111111;
    --text-main: #f5f5f5;
    --text-muted: #888888;
    /* Cor de Destaque: Bronze sofisticado */
    --accent: #c5a367; 
    --accent-dim: #8a6d3b;
    --border: #222222;
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 25px;
}

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

/* -------------------------------------
   BARRA DE NAVEGAÇÃO
-------------------------------------- */
nav {
    position: fixed;
    width: 100%;
    top: 0;
    padding: 30px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: var(--transition);
    background: transparent;
}

nav.scrolled {
    padding: 15px 50px;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border);
}

.logo {
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: 3px;
    color: var(--text-main);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover {
    color: var(--accent);
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 35px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: var(--transition);
}

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

.btn-nav {
    border: 1px solid var(--accent-dim);
    padding: 10px 22px;
    border-radius: 2px;
    color: var(--accent) !important;
}

.btn-nav:hover { 
    background: var(--accent); 
    color: var(--bg-dark) !important; 
    border-color: var(--accent);
}

.menu-toggle { display: none; font-size: 1.5rem; cursor: pointer; color: var(--accent); }

/* -------------------------------------
   HERO SECTION
-------------------------------------- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 10%;
    background: linear-gradient(rgba(10,10,10,0.7), rgba(10,10,10,0.9)), url('assets/banner.jpg') center/cover no-repeat;
}

.hero-content h1 {
    font-size: 5rem;
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 25px;
    letter-spacing: -2px;
}

.hero-content h1 span { 
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-style: italic;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 550px;
    margin-bottom: 45px;
    font-weight: 300;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    color: #000;
    padding: 18px 40px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary:hover { 
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(197, 163, 103, 0.2);
    filter: brightness(1.1);
}

/* -------------------------------------
   SECÇÕES GERAIS
-------------------------------------- */
.section-padding { padding: 140px 0; }
.dark-section { background-color: var(--bg-dark); }
.light-section { background-color: var(--bg-light); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 25px;
    letter-spacing: -1px;
}

.section-subtitle {
    color: var(--text-muted);
    margin-bottom: 70px;
    font-size: 1.1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.split-text p { margin-bottom: 25px; color: var(--text-muted); font-size: 1.1rem; }
.split-text strong { color: var(--accent); font-weight: 600; }

.image-placeholder {
    width: 100%;
    height: 550px;
    background-color: #1a1a1a;
    background-size: cover;
    background-position: center;
    border-radius: 4px;
    border: 1px solid var(--border);
}

/* -------------------------------------
   CARTÕES DE SERVIÇOS
-------------------------------------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-dark);
    padding: 50px 35px;
    border: 1px solid var(--border);
    border-radius: 4px;
    text-align: left;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--accent-dim);
    background: #151515;
    transform: translateY(-10px);
}

.service-card i {
    font-size: 2.2rem;
    color: var(--accent);
    margin-bottom: 25px;
    display: block;
}

.service-card h3 { 
    font-size: 1.4rem; 
    margin-bottom: 15px; 
    letter-spacing: 0.5px;
}

.service-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; }

/* -------------------------------------
   CLIENTES (LOGOS & DOUBLE LOGO)
-------------------------------------- */
.clients-list {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 110px; 
    margin-top: 60px;
}

.client-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: var(--transition);
}

.client-logo-wrapper {
    height: 160px; 
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 25px;
}

.client-logo {
    max-width: 220px;   
    max-height: 120px; 
    object-fit: contain;
    filter: grayscale(100%) brightness(0.8);
    opacity: 0.9;
    transition: var(--transition);
}

.client-logo-wrapper.client-logo-double {
    gap: 60px; 
}

.client-logo-double .client-logo {
    max-width: 120px; 
    max-height: 90px;
}

.client-item:hover .client-logo {
    filter: grayscale(0%) brightness(1);
    opacity: 1;
    transform: scale(1.05);
}

.client-name {
    font-size: 1rem !important;
    font-weight: 600 !important;
    color: var(--text-muted) !important;
    text-transform: uppercase;
    letter-spacing: 2px;
    line-height: 1.3;
}

.client-item:hover .client-name {
    color: var(--accent) !important;
}

.client-name span {
    font-size: 0.75rem;
    font-weight: 300;
    display: block;
    margin-top: 6px;
    text-transform: none;
    letter-spacing: 0.5px;
}

/* -------------------------------------
   GALERIA
-------------------------------------- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.gallery-item {
    width: 100%;
    height: 350px;
    background-color: #1a1a1a;
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover img { filter: grayscale(0%); transform: scale(1.08); }

/* -------------------------------------
   FORMULÁRIO DE CONTACTO & MENSAGEM SUCESSO
-------------------------------------- */
.contact-info p { margin-bottom: 20px; font-size: 1.1rem; color: var(--text-muted); }
.contact-info i { color: var(--accent); margin-right: 15px; }

.contact-form { display: flex; flex-direction: column; gap: 20px; position: relative; }

.contact-form input, .contact-form select, .contact-form textarea {
    width: 100%;
    padding: 18px;
    background: #161616;
    border: 1px solid var(--border);
    color: var(--text-main);
    border-radius: 2px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
    outline: none; 
    border-color: var(--accent);
    background: #1a1a1a;
}

/* Mensagem de Sucesso Personalizada */
.form-message {
    display: none; 
    margin-top: 25px;
    padding: 20px;
    background: rgba(197, 163, 103, 0.1); 
    border: 1px solid var(--accent);
    color: var(--accent);
    border-radius: 4px;
    align-items: center;
    gap: 15px;
    text-align: left;
    animation: slideUp 0.5s ease forwards;
}

.form-message i { font-size: 2rem; }

.form-message.show { display: flex; }

.form-message h4 { margin: 0; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; }

.form-message p { margin: 5px 0 0; font-size: 0.9rem; color: var(--text-main); }

/* Estado de carregamento do botão */
.btn-primary:disabled {
    filter: grayscale(1);
    cursor: not-allowed;
    opacity: 0.7;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* -------------------------------------
   RODAPÉ
-------------------------------------- */
footer { 
    padding: 60px 0; 
    text-align: center; 
    border-top: 1px solid var(--border); 
    color: var(--text-muted); 
    font-size: 0.85rem;
    letter-spacing: 1px;
}

/* -------------------------------------
   ANIMAÇÕES DE SCROLL
-------------------------------------- */
.fade-in, .fade-up, .fade-in-left, .fade-in-right { 
    opacity: 0; 
    transition: opacity 1.2s ease, transform 1.2s cubic-bezier(0.165, 0.84, 0.44, 1); 
}
.fade-up { transform: translateY(50px); }
.fade-in-left { transform: translateX(-50px); }
.fade-in-right { transform: translateX(50px); }

.visible { opacity: 1 !important; transform: translateY(0) translateX(0) !important; }

/* -------------------------------------
   RESPONSIVO
-------------------------------------- */
@media (max-width: 900px) {
    nav { padding: 20px 30px; }
    .nav-links { display: none; }
    .menu-toggle { display: block; }
    .hero-content h1 { font-size: 3.2rem; }
    .section-padding { padding: 80px 0; }
    .split-layout { grid-template-columns: 1fr; gap: 50px; }
    .gallery-grid { grid-template-columns: 1fr; }
    .image-placeholder { height: 350px; }
}