:root {
    --primary-color: #0A3A66; /* Deep Corporate Blue */
    --primary-light: #155B9E;
    --accent-color: #108A55; /* Institutional Green */
    --accent-light: #16A366;
    
    --bg-main: #F4F7FB; /* Very light cool grey */
    --bg-card: #FFFFFF;
    
    --text-main: #1A202C;
    --text-light: #4A5568;
    --text-muted: #718096;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Outfit', sans-serif;
    
    --radius-small: 8px;
    --radius-main: 16px;
    
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
    
    --transition-fast: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Typography & Utilities */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-main);
}
a {
    text-decoration: none;
    color: inherit;
}
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 5%;
}
.section-padding {
    padding: 100px 0;
}
.text-center {
    text-align: center;
}
.section-tag {
    display: inline-block;
    color: var(--primary-light);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
}
.section-title {
    font-size: 2.8rem;
    margin-bottom: 25px;
    line-height: 1.2;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 36px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-small);
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
}
.btn-primary {
    background: var(--primary-color);
    color: #FFF;
    box-shadow: 0 6px 15px rgba(10, 58, 102, 0.2);
}
.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(10, 58, 102, 0.3);
}
.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}
.btn-outline:hover {
    background: var(--primary-color);
    color: #FFF;
}
.btn-block {
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0; left: 0; width: 100%;
    padding: 24px 0;
    z-index: 1000;
    transition: var(--transition-fast);
}
.navbar.scrolled {
    padding: 16px 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}
.navbar.scrolled .nav-link, .navbar.scrolled .logo-text {
    color: var(--text-main);
}
.navbar.scrolled .nav-link.active {
    color: var(--primary-color);
}
/* By default, hero header text is white to contrast with the dark image overlay */
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; }
.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: #FFF;
    letter-spacing: 1px;
    transition: var(--transition-fast);
}
.logo-text .lda {
    color: var(--accent-color);
    font-weight: 500;
}
.nav-links { display: flex; gap: 35px; align-items: center; }
.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    transition: var(--transition-fast);
}
.nav-link:hover, .nav-link.active {
    color: #FFF;
}
.nav-link.cta-btn {
    background: var(--primary-color);
    color: #FFF !important;
    padding: 12px 28px;
    border-radius: var(--radius-small);
}
.nav-link.cta-btn:hover { background: var(--primary-light); }
.menu-btn { display: none; background: none; border: none; font-size: 1.5rem; color: #FFF; cursor: pointer; }

/* Subpage Navbar (Not transparent initially) */
body.subpage .navbar {
    background: #FFF;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}
body.subpage .navbar .logo-text, body.subpage .navbar .nav-link {
    color: var(--text-main);
}
body.subpage .navbar .nav-link:hover, body.subpage .navbar .nav-link.active {
    color: var(--primary-color);
}
body.subpage .navbar .menu-btn { color: var(--text-main); }


/* Hero Section */
.hero {
    height: 100vh; min-height: 700px;
    display: flex; align-items: center; position: relative;
    background-image: url('https://images.unsplash.com/photo-1573164713988-8665fc963095?q=80&w=2669&auto=format&fit=crop');
    background-size: cover; background-position: center 30%;
}
.hero::before {
    content: ''; position: absolute; top:0; left:0; width:100%; height:100%;
    background: linear-gradient(135deg, rgba(10,58,102,0.85) 0%, rgba(10,58,102,0.5) 100%);
}
.hero-content {
    position: relative; z-index: 2;
    max-width: 850px; text-align: left;
}
.hero-subtitle { color: #FFF; font-weight: 500; text-transform: uppercase; letter-spacing: 2px; font-size: 1rem; margin-bottom: 20px; }
.hero-title { font-size: 5rem; color: #FFF; margin-bottom: 25px; line-height: 1.1; }
.hero-text { font-size: 1.3rem; color: rgba(255,255,255,0.9); margin-bottom: 45px; max-width: 700px; font-weight: 300; }
.hero-ctas { display: flex; gap: 20px; flex-wrap: wrap; }
.hero-ctas .btn-outline { border-color: #FFF; color: #FFF; }
.hero-ctas .btn-outline:hover { background: #FFF; color: var(--primary-color); }

/* Sobre Instituicao - Light */
.sobre-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.sobre-text p { color: var(--text-light); margin-bottom: 20px; font-size: 1.1rem; }
.img-wrapper {
    border-radius: var(--radius-main); overflow: hidden; box-shadow: var(--shadow-lg); height: 100%;
}
.img-wrapper img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mvw-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 60px; }
.mvw-card {
    background: var(--bg-card); padding: 40px; border-radius: var(--radius-main);
    box-shadow: var(--shadow-sm); border: 1px solid rgba(0,0,0,0.03);
    transition: var(--transition-fast);
}
.mvw-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: rgba(10,58,102,0.1); }
.mvw-card.accent { background: var(--primary-color); color: #FFF; }
.mvw-card.accent h3, .mvw-card.accent p { color: #FFF; }
.mvw-card i { font-size: 2.2rem; color: var(--primary-color); margin-bottom: 25px; }
.mvw-card.accent i { color: #FFF; }
.mvw-card h3 { font-size: 1.5rem; margin-bottom: 15px; }

/* Serviços / Segments - Cards Modern */
.segmentos { background: var(--bg-card); }
.segments-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; margin-top: 50px;
}
.service-card {
    background: var(--bg-main); border-radius: var(--radius-main); transition: var(--transition-fast);
    overflow: hidden; border: 1px solid rgba(0,0,0,0.02); display: flex; flex-direction: column;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.service-img { height: 220px; overflow: hidden; }
.service-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.service-card:hover .service-img img { transform: scale(1.05); }
.service-content { padding: 35px; flex: 1; display: flex; flex-direction: column; }
.service-content .icon-wrap {
    width: 60px; height: 60px; border-radius: 50%; background: #FFF; display: flex;
    align-items: center; justify-content: center; font-size: 1.5rem; color: var(--primary-color);
    margin-top: -65px; margin-bottom: 20px; box-shadow: var(--shadow-sm); position: relative; z-index: 2;
}
.service-content h3 { font-size: 1.4rem; margin-bottom: 15px; }
.service-content p { color: var(--text-light); font-size: 1rem; margin-bottom: 25px; flex: 1; }
.service-link { font-weight: 600; color: var(--primary-color); display: inline-flex; align-items: center; gap: 8px; font-size: 0.95rem; }
.service-link i { transition: 0.3s; }
.service-card:hover .service-link i { transform: translateX(5px); }

/* Diferenciais */
.diferenciais-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-top: 50px;
}
.dif-item { text-align: center; }
.dif-item .dif-icon {
    width: 80px; height: 80px; margin: 0 auto 25px; background: rgba(10,58,102,0.05); color: var(--primary-color);
    border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem;
}
.dif-item h3 { font-size: 1.2rem; margin-bottom: 12px; }
.dif-item p { color: var(--text-muted); font-size: 0.95rem; }

/* Mensagem do Director */
.director-section {
    background: var(--primary-color); color: #FFF; padding: 100px 0;
}
.director-container {
    display: flex; align-items: center; gap: 60px; max-width: 1000px; margin: 0 auto;
}
.director-img {
    flex: 0 0 320px; height: 380px; border-radius: var(--radius-main); overflow: hidden;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}
.director-img img { width: 100%; height: 100%; object-fit: cover; }
.director-content h2, .director-content h3 { color: #FFF; }
.director-content h2 { font-size: 2.2rem; margin-bottom: 5px; }
.director-content h3 { font-size: 1.1rem; font-weight: 400; color: var(--accent-light); margin-bottom: 30px; letter-spacing: 1px; text-transform: uppercase;}
.director-content blockquote {
    font-size: 1.4rem; font-family: var(--font-heading); font-style: italic; line-height: 1.6;
    color: rgba(255,255,255,0.9); margin-bottom: 30px; position: relative;
}
.director-content blockquote::before {
    content: '"'; font-size: 4rem; color: rgba(255,255,255,0.1); position: absolute; left: -25px; top: -10px; font-family: sans-serif;
}
.director-content p.desc { color: rgba(255,255,255,0.8); font-size: 1.05rem; }

/* News / Projetos */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 50px; }
.news-card { background: var(--bg-card); border-radius: var(--radius-small); overflow: hidden; box-shadow: var(--shadow-sm); transition: 0.3s; }
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.news-img { height: 200px; }
.news-img img { width: 100%; height: 100%; object-fit: cover; }
.news-content { padding: 30px; }
.news-date { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; font-weight: 600; margin-bottom: 10px; display: block;}
.news-content h3 { font-size: 1.25rem; margin-bottom: 15px; }
.news-content p { color: var(--text-light); font-size: 0.95rem; margin-bottom: 20px;}

/* CTA Final */
.cta-final { background: var(--bg-card); text-align: center; border-radius: var(--radius-main); padding: 80px 40px; box-shadow: var(--shadow-md); margin-top: 50px; }
.cta-final h2 { font-size: 2.5rem; margin-bottom: 20px; }
.cta-final p { font-size: 1.2rem; color: var(--text-light); margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* Contactos Global Form */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; }
.contact-info { background: var(--primary-color); padding: 50px; border-radius: var(--radius-main); color: #FFF; }
.contact-info h3 { color: #FFF; font-size: 2rem; margin-bottom: 15px; }
.contact-info p.slogan { color: rgba(255,255,255,0.8); margin-bottom: 40px; }
.info-items { display: flex; flex-direction: column; gap: 30px; }
.info-item { display: flex; gap: 20px; align-items: flex-start; }
.info-item i { font-size: 1.5rem; color: var(--accent-light); margin-top: 5px; }
.info-item h4 { font-size: 1.1rem; margin-bottom: 5px; color: #FFF; }
.info-item p { color: rgba(255,255,255,0.8); font-size: 0.95rem; }

.contact-form-wrapper { padding: 20px 0; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 25px; }
.form-group label { display: block; font-size: 0.9rem; font-weight: 600; color: var(--text-main); margin-bottom: 10px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; background: #FFF; border: 1px solid #E2E8F0; padding: 16px; color: var(--text-main);
    font-family: var(--font-body); font-size: 1rem; border-radius: var(--radius-small); transition: var(--transition-fast);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(10,58,102,0.1);
}

/* Footer */
.footer { background: #072745; padding: 80px 0 30px; color: rgba(255,255,255,0.7); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1.5fr; gap: 60px; margin-bottom: 60px; }
.footer-brand h2 { font-size: 2.2rem; margin-bottom: 20px; color: #FFF; }
.footer-brand .lda { color: var(--accent-light); }
.footer-brand p { max-width: 350px; line-height: 1.8; }
.footer-links h3 { margin-bottom: 25px; color: #FFF; font-size: 1.2rem; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 15px; }
.footer-links a { transition: 0.3s; }
.footer-links a:hover { color: #FFF; padding-left: 5px; }
.social-links { display: flex; gap: 15px; margin-top: 25px; }
.social-links a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; color: #FFF; transition: 0.3s; }
.social-links a:hover { background: var(--primary-color); transform: translateY(-3px); }
.footer-bottom { text-align: center; padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 0.9rem; }

/* Subpages Specific */
.subpage-hero { height: 40vh; min-height: 350px; display: flex; align-items: center; justify-content: center; position: relative; background-size: cover; background-position: center; }
.subpage-hero::before { content: ''; position: absolute; top:0; left:0; width:100%; height:100%; background: linear-gradient(135deg, rgba(10,58,102,0.9) 0%, rgba(10,58,102,0.6) 100%); }
.subpage-hero-content { position: relative; z-index: 2; text-align: center; }
.subpage-hero-content i { font-size: 3rem; color: #FFF; margin-bottom: 20px; display: block; }
.map-wrapper { width: 100%; height: 350px; border-radius: var(--radius-main); overflow: hidden; margin-top: 30px; border: 1px solid #E2E8F0; }

.segment-details { padding: 100px 0; background: var(--bg-card); }
.segment-slogan { font-size: 1.6rem; color: var(--primary-color); font-weight: 600; text-align: center; margin-bottom: 40px; }
.segment-desc { max-width: 800px; margin: 0 auto 60px auto; text-align: center; font-size: 1.15rem; color: var(--text-light); line-height: 1.8; }
.services-div { max-width: 900px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.service-list h3 { color: var(--primary-color); margin-bottom: 25px; font-size: 1.4rem; padding-bottom: 10px; border-bottom: 2px solid rgba(0,0,0,0.05);}
.service-list ul { list-style: none; }
.service-list ul li { margin-bottom: 18px; position: relative; padding-left: 35px; color: var(--text-light); line-height: 1.5;}
.service-list ul li i { position: absolute; left: 0; top: 4px; color: var(--accent-light); font-size: 1.1rem; }
.segment-link { text-align: center; margin-top: 80px; }

/* Responsive adjustments */
@media(max-width: 1024px) {
    .diferenciais-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
}
@media(max-width: 768px) {
    .nav-links {
        position: fixed; top: 0; right: -100%; width: 100%; height: 100vh;
        background: #FFF; flex-direction: column; justify-content: center; transition: 0.5s;
    }
    .nav-links.active { right: 0; box-shadow: var(--shadow-lg); }
    .nav-link { color: var(--text-main); font-size: 1.2rem; }
    .nav-link:hover, .nav-link.active { color: var(--primary-color); }
    .menu-btn { display: block; color: var(--text-main); }
    .navbar { padding: 15px 0; background: #FFF; border-bottom: 1px solid rgba(0,0,0,0.05); }
    .logo-text { color: var(--primary-color); }
    
    .hero-title { font-size: 3rem; }
    .sobre-grid { grid-template-columns: 1fr; }
    .mvw-grid { grid-template-columns: 1fr; }
    .diferenciais-grid { grid-template-columns: 1fr; }
    .director-container { flex-direction: column; text-align: center; }
    .news-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .services-div { grid-template-columns: 1fr; }
}

/* Animations Scroll Reveal */
.reveal-up { opacity: 0; transform: translateY(40px); transition: all 0.8s cubic-bezier(0.25, 1, 0.5, 1); }
.reveal-up.active { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }