/* ========================================
   LTR Investimentos - Main Stylesheet
   Color Scheme: Dark Blue + Gold
======================================== */

:root {
    /* Primary Colors */
    --primary-dark: #0A1628;
    --primary-blue: #1A2B47;
    --primary-light: #2A3B57;

    /* Accent Colors */
    --gold: #D4AF37;
    --gold-light: #E8C547;
    --gold-dark: #B8960C;

    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-100: #F8F9FA;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-400: #CED4DA;
    --gray-500: #ADB5BD;
    --gray-600: #6C757D;
    --gray-700: #495057;
    --gray-800: #343A40;
    --gray-900: #212529;

    /* Gradients */
    --gradient-gold: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
    --gradient-dark: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);

    /* Typography */
    --font-primary: 'Montserrat', sans-serif;
    --font-display: 'Playfair Display', serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;

    /* Transitions */
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Typography
======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--gold);
    margin-bottom: 15px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--primary-dark);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

.btn-lg {
    padding: 18px 40px;
    font-size: 16px;
}

/* ========================================
   Navbar
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--primary-dark);
    padding: 15px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 50px;
    width: auto;
    border-radius: 8px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
}

/* ========================================
   Hero Section
======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('../images/background.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.92) 0%, rgba(26, 43, 71, 0.88) 50%, rgba(42, 59, 87, 0.85) 100%);
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/pattern.png') repeat;
    opacity: 0.05;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 0 20px;
    max-width: 900px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 25px;
    line-height: 1.2;
}

.hero-title .highlight {
    color: var(--gold);
    font-family: var(--font-display);
    font-style: italic;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray-300);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.hero-scroll a {
    color: var(--gold);
    font-size: 24px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* ========================================
   About Section
======================================== */
.about {
    padding: var(--section-padding);
    background: var(--gray-100);
}

.about-content-centered {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content-centered .about-intro,
.about-content-centered p {
    font-size: 18px;
    color: var(--gray-700);
    margin-bottom: 25px;
    line-height: 1.9;
}

.about-content-centered .about-intro strong,
.about-content-centered p strong {
    color: var(--primary-dark);
    font-weight: 600;
}

.about-content-centered .about-stats {
    display: flex;
    gap: 60px;
    margin-top: 50px;
    justify-content: center;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text {
    padding-right: 40px;
}

.about-intro {
    font-size: 20px;
    color: var(--primary-dark);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-text p {
    color: var(--gray-700);
    margin-bottom: 30px;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

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

.stat-number {
    display: block;
    font-size: 42px;
    font-weight: 700;
    color: var(--gold);
    font-family: var(--font-display);
}

.stat-label {
    font-size: 14px;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.image-frame img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.image-frame::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--gold);
    border-radius: 10px;
    z-index: -1;
}

.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(10, 22, 40, 0.95));
    padding: 40px 25px 25px;
    color: var(--white);
}

.image-caption h4 {
    font-size: 22px;
    margin-bottom: 5px;
}

.image-caption p {
    color: var(--gold);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ========================================
   Directors Section
======================================== */
.directors {
    padding: var(--section-padding);
    background: var(--white);
}

.directors-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.director-card {
    text-align: center;
    transition: var(--transition);
}

.director-card:hover {
    transform: translateY(-10px);
}

.director-image {
    position: relative;
    width: 220px;
    height: 220px;
    margin: 0 auto 25px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--gold);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.director-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    transition: var(--transition);
}

.director-card:hover .director-image img {
    transform: scale(1.1);
}

.director-info h3 {
    font-size: 22px;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.director-role {
    font-size: 14px;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* ========================================
   Mission Section
======================================== */
.mission {
    position: relative;
    padding: var(--section-padding);
    background: var(--primary-dark);
    overflow: hidden;
}

.mission-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/background.jpeg');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
}

.mission .container {
    position: relative;
    z-index: 2;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.mission-card {
    text-align: center;
    padding: 50px 30px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.mission-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--gold);
}

.mission-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mission-icon i {
    font-size: 32px;
    color: var(--primary-dark);
}

.mission-card h3 {
    font-size: 24px;
    color: var(--white);
    margin-bottom: 15px;
}

.mission-card p {
    color: var(--gray-300);
    line-height: 1.8;
    font-size: 15px;
}

/* ========================================
   Companies Section
======================================== */
.companies {
    padding: var(--section-padding);
    background: var(--gray-100);
}

.companies-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.company-card {
    position: relative;
    padding: 40px;
    background: var(--white);
    border-radius: 15px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.company-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    border-color: var(--gold);
}

.company-card.featured {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
}

.company-card.featured .company-name,
.company-card.featured .company-description {
    color: var(--white);
}

.company-card.featured .company-tags span {
    background: rgba(212, 175, 55, 0.2);
    color: var(--gold);
}

.company-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-gold);
    color: var(--primary-dark);
    font-size: 12px;
    font-weight: 700;
    padding: 5px 15px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.company-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-gold);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.company-icon i {
    font-size: 28px;
    color: var(--primary-dark);
}

.company-name {
    font-size: 24px;
    color: var(--primary-dark);
    margin-bottom: 15px;
}

.company-description {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 20px;
}

.company-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.company-tags span {
    background: var(--primary-dark);
    color: var(--white);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.company-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    padding: 12px 24px;
    background: var(--gradient-gold);
    color: var(--primary-dark);
    font-size: 14px;
    font-weight: 600;
    border-radius: 25px;
    transition: var(--transition);
}

.company-link:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(212, 175, 55, 0.4);
}

.company-link i {
    font-size: 12px;
}

/* ========================================
   CTA Section
======================================== */
.cta {
    position: relative;
    padding: 120px 0;
    background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold) 50%, var(--gold-light) 100%);
    overflow: hidden;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/pattern.png') repeat;
    opacity: 0.1;
}

.cta-content {
    position: relative;
    text-align: center;
}

.cta-content h2 {
    font-size: 42px;
    color: var(--primary-dark);
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 18px;
    color: var(--primary-blue);
    margin-bottom: 30px;
}

.cta .btn-primary {
    background: var(--primary-dark);
    color: var(--gold);
}

.cta .btn-primary:hover {
    background: var(--primary-blue);
}

/* ========================================
   Contact Section
======================================== */
.contact {
    padding: var(--section-padding);
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 35px 25px;
    background: var(--gray-100);
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--gold);
}

.contact-icon {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.contact-icon i {
    font-size: 26px;
    color: var(--white);
}

.contact-icon.whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E);
}

.contact-icon.instagram {
    background: linear-gradient(135deg, #833AB4, #FD1D1D, #F77737);
}

.contact-icon.email {
    background: var(--gradient-gold);
}

.contact-icon.email i {
    color: var(--primary-dark);
}

.contact-card h3 {
    font-size: 16px;
    color: var(--primary-dark);
    margin-bottom: 5px;
}

.contact-card p {
    font-size: 13px;
    color: var(--gray-600);
}

/* ========================================
   Footer
======================================== */
.footer {
    background: var(--primary-dark);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    height: 50px;
    margin-bottom: 20px;
    border-radius: 8px;
}

.footer-brand p {
    color: var(--gray-500);
    line-height: 1.8;
}

.footer-links h4,
.footer-companies h4,
.footer-social h4 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links a,
.footer-companies a {
    display: block;
    color: var(--gray-500);
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-links a:hover,
.footer-companies a:hover {
    color: var(--gold);
    padding-left: 5px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 18px;
    transition: var(--transition);
}

.social-icons a:hover {
    background: var(--gold);
    color: var(--primary-dark);
}

.footer-bottom {
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-600);
    font-size: 14px;
    margin-bottom: 5px;
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 46px;
    }

    .about-content {
        gap: 40px;
    }

    .directors-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }

    .mission-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .mission-grid .mission-card:last-child {
        grid-column: span 2;
        max-width: 50%;
        margin: 0 auto;
    }

    .contact-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--primary-dark);
        flex-direction: column;
        justify-content: center;
        gap: 30px;
        transition: var(--transition);
    }

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

    .nav-toggle {
        display: block;
        z-index: 1001;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 32px;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-text {
        padding-right: 0;
    }

    .about-stats,
    .about-content-centered .about-stats {
        justify-content: center;
        gap: 40px;
    }

    .directors-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .director-image {
        width: 200px;
        height: 200px;
    }

    .image-frame::before {
        display: none;
    }

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

    .mission-grid .mission-card:last-child {
        grid-column: span 1;
        max-width: 100%;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        max-width: 100%;
    }

    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .btn {
        width: 100%;
    }

    .about-stats,
    .about-content-centered .about-stats {
        flex-direction: column;
        gap: 30px;
    }

    .director-image {
        width: 180px;
        height: 180px;
    }

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

    .cta-content h2 {
        font-size: 28px;
    }
}