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

:root {
    --color-primary: #000000;
    --color-secondary: #ffffff;
    --color-accent: #333333;
    --color-text: #ffffff;
    --color-text-muted: #cccccc;
    --color-border: #333333;
    --color-bg: #000000;
    --color-bg-secondary: #111111;
    --color-bg-card: #1a1a1a;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) 0;
}

.nav__brand .brand__text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.brand__primary {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-secondary);
}

.brand__secondary {
    font-size: var(--font-size-xs);
    font-weight: 300;
    color: var(--color-text-muted);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.nav__menu {
    display: flex;
    gap: var(--spacing-8);
}

.nav__link {
    position: relative;
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: var(--spacing-2) 0;
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-secondary);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: var(--transition);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: var(--spacing-1);
    cursor: pointer;
}

.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-secondary);
    transition: var(--transition);
}

/* Navigation Actions */
.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

/* Login Button */
.nav__login {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    color: var(--color-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    backdrop-filter: blur(10px);
    transition: all var(--transition);
    overflow: hidden;
}

.nav__login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.nav__login:hover::before {
    left: 100%;
}

.nav__login:hover {
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 
        0 0 20px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.nav__login-icon {
    transition: var(--transition);
    z-index: 1;
    position: relative;
}

.nav__login-text {
    z-index: 1;
    position: relative;
    transition: var(--transition);
}

.nav__login-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.4s ease;
    pointer-events: none;
}

.nav__login:hover .nav__login-glow {
    width: 100px;
    height: 100px;
}

.nav__login:hover .nav__login-icon {
    transform: translateX(2px);
}

.nav__login:active {
    transform: translateY(0);
    box-shadow: 
        0 0 10px rgba(255, 255, 255, 0.1),
        inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero__grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

.hero__particles {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
                radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
                radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 100px 100px, 150px 150px, 200px 200px;
    animation: particleFloat 15s ease-in-out infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

@keyframes particleFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(20px, -20px) rotate(180deg); }
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
}

.hero__title-primary {
    display: block;
    color: var(--color-secondary);
}

.hero__title-secondary {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 300;
    color: var(--color-text-muted);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-top: var(--spacing-2);
}

.hero__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-8);
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    gap: var(--spacing-4);
}

.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.chart {
    padding: var(--spacing-8);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    background: var(--color-bg-card);
}

.chart__bars {
    display: flex;
    align-items: end;
    gap: var(--spacing-2);
    height: 200px;
}

.chart__bar {
    width: 20px;
    background: linear-gradient(to top, var(--color-secondary), rgba(255, 255, 255, 0.3));
    border-radius: 2px;
    animation: barGrow 2s ease-out forwards;
    transform: scaleY(0);
}

.chart__bar:nth-child(2) { animation-delay: 0.2s; }
.chart__bar:nth-child(3) { animation-delay: 0.4s; }
.chart__bar:nth-child(4) { animation-delay: 0.6s; }
.chart__bar:nth-child(5) { animation-delay: 0.8s; }

@keyframes barGrow {
    to { transform: scaleY(1); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 1px solid;
    cursor: pointer;
}

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

.btn--primary:hover {
    background: transparent;
    color: var(--color-secondary);
}

.btn--secondary {
    background: transparent;
    color: var(--color-secondary);
    border-color: var(--color-border);
}

.btn--secondary:hover {
    background: var(--color-secondary);
    color: var(--color-primary);
    border-color: var(--color-secondary);
}

/* Sections */
.section__title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
    color: var(--color-secondary);
}

.section__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* About Section */
.about {
    padding: var(--spacing-24) 0;
    background: var(--color-bg-secondary);
}

.about__intro {
    text-align: center;
    margin-bottom: var(--spacing-16);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.about__cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-16);
}

.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-8);
    transition: var(--transition);
}

.card:hover {
    border-color: var(--color-secondary);
    transform: translateY(-4px);
}

.card__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.card__icon {
    width: 48px;
    height: 48px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
}

.card__title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-secondary);
}

.card__content {
    color: var(--color-text-muted);
    line-height: 1.7;
    font-size: var(--font-size-sm);
    text-align: justify;
}

/* Values */
.values {
    text-align: center;
}

.values__title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-8);
    color: var(--color-secondary);
}

.values__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-4);
}

.value {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-bg-card);
    transition: var(--transition);
}

.value:hover {
    border-color: var(--color-secondary);
}

.value__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-secondary);
    flex-shrink: 0;
}

.value__text {
    font-weight: 500;
    color: var(--color-secondary);
}

/* Portfolio Section */
.portfolio {
    padding: var(--spacing-24) 0;
}

.portfolio__intro {
    text-align: center;
    margin-bottom: var(--spacing-16);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.portfolio__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-8);
    justify-items: center;
}

.portfolio__card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6);
    transition: var(--transition);
    width: 100%;
    max-width: 320px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio__card:hover {
    border-color: var(--color-secondary);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.1);
}

.portfolio__logo {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.portfolio__logo a {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio__logo img {
    max-width: 95%;
    max-height: 95%;
    object-fit: contain;
    transition: var(--transition);
    filter: brightness(0.9);
}

.portfolio__logo a:hover img {
    transform: scale(1.05);
    filter: brightness(1);
}

.portfolio__logo--placeholder {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text-muted);
    font-weight: 500;
    text-align: center;
}

.portfolio__logo--placeholder span {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* Estilos removidos - layout simplificado apenas com imagens */

/* Placeholder */
.portfolio__placeholder {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    padding: var(--spacing-16) 0;
}

.placeholder {
    text-align: center;
    max-width: 400px;
}

.placeholder__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-6);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

.placeholder__title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
    color: var(--color-secondary);
}

.placeholder__description {
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-20) 0 var(--spacing-12);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: translateX(-50%);
}

.footer__content {
    text-align: center;
    margin-bottom: var(--spacing-12);
}

.footer__brand .brand__text {
    margin-bottom: var(--spacing-6);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer__brand .brand__primary {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
}

.footer__brand .brand__secondary {
    font-size: var(--font-size-sm);
    font-weight: 300;
    letter-spacing: 0.3em;
    opacity: 0.8;
}

.footer__description {
    color: var(--color-text-muted);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.7;
    font-size: var(--font-size-base);
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-border);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-4);
}

.footer__bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 60px;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(-50%);
}

.footer__decorative {
    color: var(--color-text-muted);
    opacity: 0.5;
    animation: sparkle 3s ease-in-out infinite;
}

.footer__decorative:last-child {
    animation-delay: 1.5s;
}

@keyframes sparkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.footer__copyright {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-weight: 300;
    margin: 0;
}

/* Animações */
.animate-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Menu mobile */
.nav__menu--active {
    display: flex !important;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--spacing-8) var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
}

.nav__menu--active .nav__link {
    margin-bottom: var(--spacing-4);
}

.nav__toggle--active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle--active span:nth-child(2) {
    opacity: 0;
}

.nav__toggle--active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Responsive */
@media (max-width: 768px) {
    .nav__menu {
        display: none;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .nav__login {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }
    
    .nav__login-text {
        display: none;
    }
    
    .nav__login-icon {
        width: 16px;
        height: 16px;
    }
    
    .hero__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
        text-align: center;
    }
    
    .hero__title {
        font-size: var(--font-size-4xl);
    }
    
    .about__cards {
        grid-template-columns: 1fr;
    }
    
    .values__grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio__grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-4);
    }
    
    .portfolio__card {
        max-width: 280px;
        height: 160px;
    }
    
    .footer__brand .brand__primary {
        font-size: var(--font-size-xl);
    }
    
    .footer__description {
        font-size: var(--font-size-sm);
        padding: 0 var(--spacing-4);
    }
    
    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-2);
    }
    
    .footer__decorative {
        display: none;
    }
    
    .hero__actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }
}