/* ==========================================================================
   Design Tokens & Variables
   ========================================================================== */
:root {
    /* Colors */
    --clr-primary: #00315E;
    /* Azul Marinho Profundo */
    --clr-secondary: #005090;
    /* Azul Médio */
    --clr-accent: #ACD4F4;
    /* Azul Claro */
    --clr-white: #FFFFFF;

    --clr-text-dark: #1A1A1A;
    --clr-text-body: #4A4A4A;
    --clr-bg-light: #F8F9FA;
    --clr-bg-dark: #001f3f;
    /* Even darker blue for deep contrast */

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;

    /* Spacing */
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-xxl: 6rem;

    /* Shadows & Transitions */
    --shadow-soft: 0 10px 30px rgba(0, 49, 94, 0.1);
    --shadow-hover: 0 20px 40px rgba(0, 49, 94, 0.15);
    --transition-fast: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--clr-text-body);
    line-height: 1.6;
    background-color: var(--clr-white);
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--clr-primary);
    font-weight: 600;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-xxl) 0;
}

.bg-light {
    background-color: var(--clr-bg-light);
}

/* ==========================================================================
   Typography Utilities
   ========================================================================== */
.section-subtitle {
    display: block;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--clr-secondary);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin-bottom: var(--space-xl);
    position: relative;
    padding-bottom: var(--space-md);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--clr-accent);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.btn-primary:hover {
    background-color: var(--clr-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.btn-primary-outline {
    background-color: transparent;
    color: var(--clr-white);
    border: 1px solid var(--clr-white);
    padding: 0.75rem 1.5rem;
}

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

.btn-outline {
    background-color: transparent;
    color: var(--clr-primary);
    border: 1px solid var(--clr-primary);
}

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

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--clr-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-link i {
    transition: transform 0.3s ease;
}

.btn-link:hover {
    color: var(--clr-primary);
}

.btn-link:hover i {
    transform: translateX(5px);
}

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: clamp(0.75rem, 1.5vw, 1.5rem) 0;
    transition: var(--transition-slow);
    background-color: transparent;
}

.navbar.scrolled {
    background-color: var(--clr-primary);
    padding: clamp(0.5rem, 1vw, 1rem) 0;
    box-shadow: var(--shadow-soft);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.brand-logo {
    height: clamp(48px, 6vw, 80px);
    width: auto;
    object-fit: contain;
}

.footer-logo {
    height: clamp(70px, 8vw, 100px);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2vw, 2rem);
}

.nav-link {
    color: var(--clr-white);
    font-size: clamp(0.78rem, 1vw, 0.9rem);
    font-weight: 500;
    position: relative;
    padding-bottom: 0.25rem;
    white-space: nowrap;
}

.nav-link.btn-primary-outline {
    padding: 0.6rem 1.5rem 0.6rem 1.5rem; /* Explicit padding to overwrite .nav-link conflict */
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Only underline links that are not buttons */
.nav-link:not(.btn-primary-outline)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--clr-white);
    transition: width 0.3s ease;
}

.nav-link:not(.btn-primary-outline):hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--clr-white);
    font-size: 2rem;
    cursor: pointer;
}

/* ==========================================================================
   Dropdown Menu
   ========================================================================== */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 250px;
    background-color: var(--clr-primary);
    box-shadow: var(--shadow-hover);
    border-radius: 4px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: all var(--transition-fast);
    z-index: 1000;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--clr-white);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--clr-secondary);
    color: var(--clr-accent);
    padding-left: 2rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-white);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 49, 94, 0.8), rgba(0, 49, 94, 0.3));
    z-index: -1;
}

.hero-content {
    text-align: left;
    max-width: 800px;
    margin: 0;
    padding-top: 80px;
    /* Offset for navbar */
}

.hero-title {
    font-size: 4.5rem;
    color: var(--clr-white);
    margin-bottom: var(--space-md);
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 300;
    margin-bottom: var(--space-xl);
    max-width: 600px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   Portfolio Filters
   ========================================================================== */
.filter-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: var(--space-xl);
}

.filter-btn {
    background: transparent;
    border: 1px solid #DEDEDE;
    color: var(--clr-text-body);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--clr-primary);
    color: var(--clr-white);
    border-color: var(--clr-primary);
}

/* ==========================================================================
   Empreendimentos Section
   ========================================================================== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.project-card {
    background: var(--clr-white);
    border: 1px solid #EAEAEA;
    border-radius: 12px;
    transition: var(--transition-fast);
    overflow: hidden;
    position: relative;
    box-shadow: 0 2px 12px rgba(0,31,63,0.06);
}

.project-card:hover {
    box-shadow: 0 16px 40px rgba(0,31,63,0.14);
    transform: translateY(-6px);
    border-color: rgba(0,82,156,0.2);
}

.card-image-wrapper {
    position: relative;
    height: clamp(220px, 22vw, 320px);
    overflow: hidden;
}

.card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .card-image-wrapper img {
    transform: scale(1.05);
}

.status-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--clr-white);
    z-index: 2;
}

.status-badge.release {
    background-color: var(--clr-primary);
}

.status-badge.ready {
    background-color: #2F835A;
}

.status-badge.construction {
    background-color: #D48B25;
}

.card-content {
    padding: var(--space-lg);
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.card-location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--clr-text-light);
    font-size: 0.9rem;
    margin-bottom: var(--space-lg);
}

.card-location i {
    color: var(--clr-accent);
    font-size: 1.2rem;
}

/* ==========================================================================
   Institucional Section
   ========================================================================== */
.container-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xxl);
    align-items: center;
}

.institucional-image {
    position: relative;
}

.institucional-image img {
    box-shadow: var(--shadow-soft);
}

.experience-badge {
    position: absolute;
    bottom: -2rem;
    right: -2rem;
    background-color: var(--clr-primary);
    color: var(--clr-white);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-hover);
}

.experience-badge .years {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    line-height: 1;
    margin-bottom: 0.5rem;
    color: var(--clr-accent);
}

.experience-badge .text {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-align: center;
    font-weight: 600;
}

.institucional-content p {
    margin-bottom: var(--space-md);
    color: var(--clr-text-body);
}

.institucional-content .btn {
    margin-top: var(--space-md);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--clr-bg-dark);
    color: var(--clr-white);
    padding-top: var(--space-xxl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: var(--space-xl);
    padding-bottom: var(--space-xxl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-desc {
    margin-top: var(--space-md);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    max-width: 300px;
}

.footer-heading {
    color: var(--clr-white);
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
}

.footer-links ul li,
.footer-contact ul li {
    margin-bottom: var(--space-md);
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links ul li a:hover {
    color: var(--clr-accent);
    padding-left: 5px;
}

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-contact i {
    color: var(--clr-accent);
    font-size: 1.25rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: var(--space-lg);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    color: var(--clr-white);
}

.social-links a:hover {
    background-color: var(--clr-primary);
    transform: translateY(-3px);
}

/* ==========================================================================
   WhatsApp Floating Button
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.whatsapp-float:hover {
    background-color: #1ebc5a;
    transform: translateY(-5px);
    color: #FFF;
}

.whatsapp-float i {
    font-size: 2rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) var(--space-lg);
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom .ph-heart {
    color: var(--clr-accent);
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.2s;
}

.delay-2 {
    transition-delay: 0.4s;
}

.delay-3 {
    transition-delay: 0.6s;
}

/* ==========================================================================
   Media Queries (Mobile First approach adapted for Desktop Down)
   ========================================================================== */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .container-split {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .institucional-image {
        margin-right: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--clr-primary);
        flex-direction: column;
        justify-content: center;
        transition: right 0.3s ease;
        padding: 2rem;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        right: 0;
    }

    .mobile-menu-btn {
        display: block;
        z-index: 1001;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .section-title {
        font-size: 2rem;
    }

    .section-title::after {
        left: 50%;
        transform: translateX(-50%);
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}