/* =========================================
   SISTEMA DE DESIGN (TOKENS FLUIDOS)
   ========================================= */
:root {
    /* Cores */
    --color-primary: #16417C;
    --color-dark: #0A1118;
    --color-dark-grad: linear-gradient(135deg, #0A1118 0%, #112A4F 100%);
    --color-light: #F8FAFC;     
    --color-text: #334155;      
    --color-text-light: #E2E8F0;
    --color-border: #E2E8F0;

    /* Tipografia (Fontes) */
    --font-heading: 'Merriweather', serif;
    --font-body: 'Lato', sans-serif;

    /* Tipografia Fluida (Escala Dinâmica com clamp: min, ideal, max) */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.85rem);
    --text-sm: clamp(0.85rem, 0.8rem + 0.25vw, 1rem);
    --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.1rem);
    --text-lg: clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem);
    --text-xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
    --text-2xl: clamp(2rem, 1.8rem + 1.5vw, 2.8rem);
    --text-3xl: clamp(2.5rem, 2vw + 1.5rem, 3.8rem);

    /* Layout & Espaçamentos Fluidos */
    --max-width: 75rem; /* Aprox 1200px */
    --section-padding: clamp(4rem, 8vh, 7rem) 5vw;
    --spacing-sm: clamp(0.5rem, 1vw, 1rem);
    --spacing-md: clamp(1rem, 2vw, 2rem);
    --spacing-lg: clamp(2rem, 4vw, 4rem);

    /* UI (Bordos e Sombras) */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1.25rem;
    --border-radius-pill: 50vw;
    --shadow-sm: 0 0.5rem 1rem rgba(0,0,0,0.05);
    --shadow-md: 0 1rem 2.5rem rgba(0,0,0,0.08);
    --shadow-lg: 0 1.5rem 3rem rgba(22, 65, 124, 0.15);

    /* Transições */
    --trans-fast: 0.2s ease;
    --trans-normal: 0.3s ease;
    --trans-slow: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

html { 
    scroll-behavior: smooth; 
    font-size: 100%; /* Garante acessibilidade (1rem = 16px por defeito) */
}

body {
    color: var(--color-text); 
    background-color: var(--color-light); 
    line-height: 1.7; 
    overflow-x: hidden; 
    font-family: var(--font-body);
    font-size: var(--text-base);
}

h1, h2, h3, h4 { 
    font-family: var(--font-heading); 
    font-weight: 700; 
    line-height: 1.2; 
    padding-bottom: var(--spacing-sm);
}

a { 
    text-decoration: none; 
    transition: var(--trans-normal); 
}

ul { list-style: none; }
img, picture, svg { max-width: 100%; display: block; }

.container { 
    width: 100%;
    max-width: var(--max-width); 
    margin: 0 auto; 
}

/* =========================================
   TIPOGRAFIA DE TÍTULOS
   ========================================= */
.title-lg { font-size: var(--text-3xl); color: var(--color-primary); margin-bottom: var(--spacing-md); font-weight: 900; }
.title-md { font-size: var(--text-2xl); margin-bottom: var(--spacing-sm); text-align: center; }
.text-lead { font-size: var(--text-lg); font-weight: 300; margin-bottom: var(--spacing-lg); color: #475569; }

/* =========================================
   BOTÕES
   ========================================= */
.btn { 
    display: inline-block; 
    padding: 1em 2.5em; 
    background: var(--color-primary); 
    color: var(--color-light); 
    font-family: var(--font-body); 
    font-weight: 700; 
    border-radius: var(--border-radius-pill); 
    border: 0.125rem solid transparent; 
    cursor: pointer; 
    font-size: var(--text-base); 
    box-shadow: var(--shadow-md); 
    transition: all var(--trans-slow); 
}

.btn:hover { 
    background: transparent; 
    color: var(--color-primary); 
    border-color: var(--color-primary); 
    transform: translateY(-0.25rem); 
    box-shadow: var(--shadow-sm); 
}

.btn-white {
    background: var(--color-primary);
    color: var(--color-light);
    border-color: var(--color-light);
}

.btn-white:hover {
    background: var(--color-light);
    color: var(--color-primary);
}

.btn-header { padding: 0.6em 1.5em; font-size: var(--text-sm); }
.btn-full { width: 100%; text-align: center; }

/* =========================================
   HEADER GLASSMORPHISM
   ========================================= */
header { 
    position: fixed; 
    top: 0; 
    width: 100%; 
    padding: clamp(0.5rem, 1vh, 1rem) 5%; 
    z-index: 1000; 
    background: rgba(248, 250, 252, 0.8); 
    backdrop-filter: blur(1rem); 
    -webkit-backdrop-filter: blur(1rem); 
    border-bottom: 1px solid rgba(255, 255, 255, 0.5); 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    transition: var(--trans-normal); 
}

.logo { font-family: var(--font-heading); font-size: var(--text-xl); font-weight: 900; }
.logo img { max-height: clamp(3rem, 5vh, 5rem); }

nav { display: flex; gap: var(--spacing-lg); align-items: center; }
.nav-links { display: flex; gap: var(--spacing-md); font-weight: 700; font-size: var(--text-sm); text-transform: uppercase; letter-spacing: 0.05em; }
.nav-links a { color: var(--color-text); }
.nav-links a:hover { color: var(--color-primary); }

.lang-flags { display: flex; gap: var(--spacing-sm); font-size: var(--text-lg); }
.lang-flags a { transition: var(--trans-fast); }
.lang-flags a:hover { transform: scale(1.1); }
.lang-flags a.active-lang { opacity: 1; }
.lang-flags a.inactive-lang { opacity: 0.5; }

/* =========================================
   ESTRUTURA GERAL DAS SEÇÕES
   ========================================= */
section { padding: var(--section-padding); }

/* =========================================
   HERO SECTION
   ========================================= */
.hero-global {
    min-height: 100dvh; /* dvh resolve problemas de barras em telemóveis */
    background: linear-gradient(rgba(10, 17, 24, 0.8), rgba(22, 65, 124, 0.65)), url('../img/fundo.png') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-content {
    text-align: center;
    color: var(--color-light);
    width: min(100%, 55rem);
    padding: 0 var(--spacing-md);
    z-index: 2;
}

.hero-content h1 {
    padding-top: var(--spacing-lg);
    font-size: var(--text-3xl);
    margin-bottom: var(--spacing-md);
}

.hero-content p {
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--color-light);
    margin-bottom: var(--spacing-lg);
    width: min(100%, 45rem);
    margin-inline: auto;
}

/* =========================================
   SEÇÃO EXPERTISE / SERVIÇOS
   ========================================= */
.expertise-section { background-color: var(--color-light); }
.executive-header .title-md { color: var(--color-primary); text-align: left; }
.executive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
    gap: var(--spacing-lg); 
}

.executive-item {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-md);
    transition: border-color var(--trans-slow);
}
.executive-item:hover { border-top-color: var(--color-primary); }

.exec-number {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: var(--text-lg);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    transition: color var(--trans-slow);
}
.executive-item:hover .exec-number { color: var(--color-primary); }

.executive-item h3 {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

/* =========================================
   SEÇÃO LIDERANÇA
   ========================================= */
.dark-section { background: var(--color-dark-grad); color: var(--color-light); }
.dark-section .title-md { color: var(--color-light); text-align: left; }

.leadership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 25rem), 1fr));
    gap: var(--spacing-lg);
    align-items: center;
}

.leadership-photo-container { position: relative; }
.leadership-photo {
    background: rgba(255,255,255,0.05); 
    aspect-ratio: 4/5; /* Substitui a altura fixa de px por proporção fluida */
    max-height: 40rem;
    border-radius: var(--border-radius-md); 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    border: 1px solid rgba(255,255,255,0.1); 
    box-shadow: -1rem 1rem 0px var(--color-primary);
    overflow: hidden;
}
.leadership-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    padding: 0.25rem;
}

.exp { display: flex; flex-direction: column; gap: var(--spacing-sm); margin-top: var(--spacing-md); }
.exp-topico { display: flex; flex-wrap: wrap; gap: var(--spacing-md); justify-content: space-between; margin-bottom: var(--spacing-sm); }
.exp-item { flex: 1; min-width: 15rem; }

/* =========================================
   PROVA SOCIAL (CREDIBILITY)
   ========================================= */
#credibility {
    background-color: var(--color-dark); 
    padding: var(--spacing-lg) 5%; 
    border-top: 1px solid rgba(255,255,255,0.05);
}
.logos-wrapper { display: flex; justify-content: center; gap: var(--spacing-lg); flex-wrap: wrap; }
.logo-item { width: clamp(6rem, 15vw, 10rem); border-radius: var(--border-radius-md); display: flex; align-items: center; justify-content: center; }
.logo-item img {border-radius: var(--border-radius-md);}

/* =========================================
   FORMULÁRIO DE CONTACTO
   ========================================= */
.form-container { 
    background: var(--color-light); 
    padding: clamp(2rem, 5vw, 4rem); 
    border-radius: var(--border-radius-lg); 
    box-shadow: var(--shadow-md); 
    max-width: 50rem; 
    margin: 0 auto; 
}
.form-container .title-md { color: var(--color-primary); text-align: left; margin-bottom: var(--spacing-sm); }
.form-container > p { margin-bottom: var(--spacing-lg); color: #64748b; }

.form-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); 
    gap: var(--spacing-md); 
    margin-bottom: var(--spacing-md); 
}
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: var(--text-xs); font-weight: 700; color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.05em; }

.form-control { 
    padding: 1.2em; 
    border: 1px solid var(--color-border); 
    border-radius: var(--border-radius-md); 
    font-family: var(--font-body); 
    font-size: var(--text-base); 
    background: #ffffff; 
    transition: border var(--trans-normal); 
}
.form-control:focus { outline: none; border-color: var(--color-primary); }

/* =========================================
   FOOTER
   ========================================= */
footer { 
    background: var(--color-dark); 
    color: var(--color-text-light); 
    padding: var(--spacing-lg) 5% var(--spacing-md); 
    border-top: 1px solid rgba(255,255,255,0.05); 
}
.footer-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr)); 
    gap: var(--spacing-lg); 
    max-width: var(--max-width); 
    margin: 0 auto; 
    border-bottom: 1px solid rgba(255,255,255,0.1); 
    padding-bottom: var(--spacing-lg); 
}
.footer-logo h3 { font-size: var(--text-2xl); color: var(--color-light); }
.footer-contact h4 { color: var(--color-light); margin-bottom: var(--spacing-sm); }
.footer-contact p { font-weight: 300; }

.footer-bottom { 
    max-width: var(--max-width); 
    margin: var(--spacing-md) auto 0; 
    display: flex; 
    flex-wrap: wrap;
    justify-content: space-between; 
    gap: var(--spacing-sm);
    align-items: center; 
    font-size: var(--text-sm); 
}
.footer-bottom a { color: var(--color-light); font-weight: 700; text-decoration: underline; text-decoration-color: var(--color-primary); text-underline-offset: 0.2em; }

/* Botão Voltar ao Topo */
#backToTop { position: fixed; bottom: 2rem; right: 2rem; background: var(--color-primary); color: var(--color-light); border: none; width: 3rem; height: 3rem; border-radius: 50%; font-size: 1.2rem; cursor: pointer; display: none; z-index: 999; box-shadow: var(--shadow-md); transition: var(--trans-normal); }
#backToTop:hover { transform: translateY(-0.25rem); background: var(--color-dark); }

/* =========================================
   PÁGINAS SECUNDÁRIAS & BANNER LGPD
   ========================================= */
.thank-you-section { min-height: 100dvh; display: grid; place-items: center; padding: var(--section-padding); }
.thank-you-box {
    background: var(--color-light); padding: var(--spacing-lg); border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md); border: 1px solid var(--color-border); max-width: 40rem; text-align: center;
}
.icon-success { font-size: var(--text-3xl); margin-bottom: var(--spacing-sm); }

.legal-container { 
    max-width: 50rem; margin: clamp(6rem, 15vh, 8rem) auto var(--spacing-lg); padding: clamp(2rem, 5vw, 4rem); 
    background: #FFFFFF; border-radius: var(--border-radius-md); box-shadow: var(--shadow-sm); 
}

.cookie-banner {
    position: fixed; bottom: 0; left: 0; width: 100%; background-color: var(--color-dark); color: var(--color-text-light);
    padding: var(--spacing-md) 5%; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--spacing-md);
    z-index: 9999; box-shadow: 0 -0.5rem 1.5rem rgba(0,0,0,0.2); transform: translateY(100%); transition: transform var(--trans-slow);
}
.cookie-banner.show { transform: translateY(0); }
.cookie-text { font-size: var(--text-sm); flex: 1; min-width: 18rem; }
.cookie-text a { color: var(--color-light); text-decoration: underline; }
.cookie-buttons button { padding: 0.8em 1.5em; background: var(--color-light); color: var(--color-primary); font-weight: bold; border-radius: var(--border-radius-sm); border: none; cursor: pointer; transition: var(--trans-fast); }

/* =========================================
   MEDIA QUERIES APENAS PARA COLAPSOS ESTRUTURAIS
   ========================================= */
@media (max-width: 62rem) /* ~992px */ {
    nav { display: none; }
    .footer-grid { text-align: center; }
    .footer-contact { margin-top: var(--spacing-md); }
}

@media (max-width: 48rem) /* ~768px */ {
    .lang-flags { display: none; }
    .footer-bottom { justify-content: center; text-align: center; }
    .leadership-photo { box-shadow: -0.5rem 0.5rem 0px var(--color-primary); }
}