/* ==========================================================================
   CSS Variables & Reset
   Wealthsimple aesthetic with VRF360 Colors
   ========================================================================== */
   
   :root {
    /* Brand Colors */
    --color-primary: #3F9D85;     /* VRF360 Logo Color 1 */
    --color-secondary: #58575A;   /* VRF360 Logo Color 2 (Dark Grey) */
    
    /* Neutral / Theme Colors */
    --color-bg: #FCFDFB;          /* Soft off-white */
    --color-bg-soft: #F4F6F4;     /* Slightly darker off-white for sections */
    --color-bg-dark: var(--color-secondary); /* Dark section bg based on logo */
    
    --color-text-main: #1A1C1B;   /* Very dark grey almost black */
    --color-text-muted: #58575A;  /* Utilizing VRF360 secondary for muted text */
    --color-text-light: #FCFDFB;  /* Light text for dark sections */
    
    --color-border: #E8EBE8;      /* Soft borders */
    
    /* Typography */
    /* Font Jost is a geometric sans that provides a Futura/Century Gothic feel */
    --font-primary: 'Jost', system-ui, -apple-system, sans-serif;
    
    /* Spacings */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Borders & Shadows */
    --border-radius: 12px;        /* Wealthsimple uses modern smooth rounding */
    --border-radius-lg: 24px;
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.12);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

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

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

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4 {
    color: var(--color-text-main);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); }

p {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    font-weight: 300;
}

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

/* ==========================================================================
   Layout Utils
   ========================================================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    position: relative;
    overflow: hidden;
}

.pt-large { padding-top: var(--spacing-xl); }
.pb-large { padding-bottom: var(--spacing-xl); }

.bg-soft { background-color: var(--color-bg-soft); }
.bg-dark {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
}

.bg-dark h2, .bg-dark h3, .bg-dark p {
    color: var(--color-text-light);
}

.bg-dark .about-subtitle { color: #A8A8AA; }

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.grid {
    display: grid;
    gap: var(--spacing-md);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 50px;
    cursor: pointer;
    text-align: center;
    border: none;
    transition: var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
}

.btn-primary:hover {
    background-color: #358D76; /* Darker shade of #3F9D85 */
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(63, 157, 133, 0.3);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(252, 253, 251, 0.85); /* background var but with opacity */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: var(--transition-fast);
}

.navbar.scrolled {
    border-bottom: 1px solid var(--color-border);
    padding: 0.5rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    flex-direction: column;
    z-index: 101;
}

.logo-vrf {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-primary);
    letter-spacing: -0.05em;
    line-height: 1;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--color-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 2px;
}

.nav-logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

/* Nav Links */
.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--color-text-main);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-fast);
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 101;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-main);
    transition: var(--transition-fast);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px; /* navbar offset */
    position: relative;
    background-color: #fff;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 600px;
}

.hero-subtitle {
    margin-bottom: var(--spacing-md);
    font-size: clamp(1.25rem, 2vw, 1.5rem);
}

.hero-visual {
    position: relative;
    z-index: 1;
    height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none; /* Garante que a imagem não bloqueie cliques acidentalmente */
}

.hero-img {
    width: 100%;
    max-width: 900px;
    height: auto;
    object-fit: contain;
    /* Blend trick */
    mix-blend-mode: multiply;
    filter: contrast(1.05);
    transform: scale(1.3); /* Aumenta a foto consideravelmente */
    transform-origin: center right;
}

/* ==========================================================================
   Services
   ========================================================================== */

.services-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.card {
    background-color: #fff;
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    border: 1px solid rgba(0,0,0,0.03);
    height: 100%;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.card .icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    background: var(--color-bg-soft);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--color-primary);
}

.card h3 {
    margin-bottom: 0.5rem;
}

/* ==========================================================================
   Timeline (Etapas)
   ========================================================================== */

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 40px; /* Offset to center under dot */
    height: 100%;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-dot {
    width: 80px;
    height: 80px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    z-index: 1;
    flex-shrink: 0;
    box-shadow: 0 0 0 10px var(--color-bg-soft);
}

.timeline-content {
    background: #fff;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    flex-grow: 1;
}

/* ==========================================================================
   Portfolio
   ========================================================================== */

.portfolio-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.25rem;
}

.portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.portfolio-card {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.portfolio-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.portfolio-content {
    padding: var(--spacing-md);
}

.portfolio-content h3 {
    margin-bottom: 0.25rem;
}

/* ==========================================================================
   About (Sobre)
   ========================================================================== */

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-role {
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
    color: var(--color-primary) !important;
}

.about-description p {
    margin-bottom: 1rem;
}

.founder-img {
    width: 75%;
    max-width: 450px;
    margin: 0 auto;
    display: block;
    aspect-ratio: 4/5;
    border-radius: var(--border-radius-lg);
    object-fit: cover;
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-card {
    background: #fff;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    display: block; /* it's an <a> tag */
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.contact-card .icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-card h3 {
    margin-bottom: 0.25rem;
    font-size: 1.25rem;
}

.contact-card p {
    color: var(--color-primary);
    font-weight: 500;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-links a {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-bg-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--color-text-main);
    font-size: 1.2rem;
    transition: var(--transition-smooth);
}

.social-links a:hover {
    background: var(--color-primary);
    color: #fff;
    transform: scale(1.1);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background: var(--color-text-main);
    color: var(--color-text-light);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-md);
}

.footer-logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.footer-copy p {
    color: #A8A8AA;
    font-size: 0.9rem;
}

.footer-copy .developer-note {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    opacity: 0.7;
}

/* ==========================================================================
   Animations
   ========================================================================== */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    will-change: opacity, transform;
}

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

.fade-delay-1 { transition-delay: 0.1s; }
.fade-delay-2 { transition-delay: 0.2s; }
.fade-delay-3 { transition-delay: 0.3s; }


/* ==========================================================================
   Media Queries
   ========================================================================== */

@media (max-width: 992px) {
    .hero-container, .about-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        height: 400px;
    }

    .hero-content {
        margin: 0 auto;
    }

    .section-header, .portfolio-intro {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        align-items: center;
        padding: var(--spacing-md) 0;
        gap: 1.5rem;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.4s ease-in-out;
    }

    .nav-links.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }

    .mobile-menu-btn {
        display: flex;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-dot {
        width: 60px;
        height: 60px;
        font-size: 1.25rem;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
}