/**
 * Pathy Systems - Stylesheet Principal
 * Versão corrigida e otimizada
 */

/* ============================================
   VARIÁVEIS CSS - DESIGN SYSTEM
   ============================================ */
:root {
    /* Cores - Escala Monocromática */
    --primary-white: #ffffff;
    --secondary-white: #d1d1d1;
    --tertiary-white: #e7e7e7;
    
    --primary-black: #0f0f0f;
    --secondary-black: #2c2c2c;
    --tertiary-black: #3a3a3a;
    
    --primary-gray: #bbb6b6;
    --secondary-gray: #524d4d;
    --tertiary-gray: #1f1e1e;
    
    /* Z-Index Scale */
    --z-base: 1;
    --z-content: 2;
    --z-header: 10;
    --z-particles: 5;
    --z-overlay: 100;
    --z-modal: 200;
    
    /* Breakpoints (referência) */
    --bp-mobile: 440px;
    --bp-tablet: 768px;
    --bp-desktop: 1024px;
    
    /* Animações */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease-in-out;
    --transition-slow: 0.8s ease;
}

/* ============================================
   RESET E BASE
   ============================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    background: var(--primary-black);
    user-select: none;
    overflow: hidden;
    font-family: 'font3', sans-serif;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

body::-webkit-scrollbar,
::-webkit-scrollbar {
    width: 0;
    background: transparent;
    display: none;
}

/* ============================================
   SCROLL SNAP CONTAINER
   ============================================ */
.sections {
    height: 100vh;
    overflow-y: auto;
    scroll-snap-type: y mandatory;
    scroll-behavior: smooth;
    z-index: var(--z-content);
}

.section {
    height: 100vh;
    scroll-snap-align: start;
    z-index: var(--z-content);
    position: relative;
}

/* ============================================
   HEADER - NAVEGAÇÃO PRINCIPAL
   ============================================ */
header {
    position: fixed;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1000px;
    width: calc(100% - 4rem);
    margin: 0;
    padding: 1.5rem 3rem;
    background-color: var(--secondary-black);
    border-radius: 5rem;
    border: 4px solid var(--tertiary-black);
    box-shadow: 0 0 0 0 var(--tertiary-black);
    transition: all var(--transition-medium);
    z-index: var(--z-header);
}

header:hover {
    transform: scale(1.02) translateX(-49%);
    box-shadow: 0 0 0 5px var(--tertiary-black);
}

header img {
    max-width: 100%;
    height: 30px;
    display: block;
}

header span {
    color: var(--primary-gray);
    font-family: 'font2', sans-serif;
    font-size: 1.05rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: bold;
    text-rendering: optimizeLegibility;
    transition: all var(--transition-fast);
}

header span:hover {
    color: var(--primary-white);
    background-color: var(--secondary-gray);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
}

/* ============================================
   MENU MOBILE - OVERLAY E ANIMAÇÕES
   ============================================ */
.menu-mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: var(--z-overlay);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.menu-mobile-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

.menu-mobile-content {
    width: 90%;
    max-width: 400px;
    background: var(--secondary-black);
    border: 3px solid var(--tertiary-black);
    border-radius: 2rem;
    padding: 2rem;
    position: relative;
    transform: translateY(30px) scale(0.95);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.menu-mobile-overlay.active .menu-mobile-content {
    transform: translateY(0) scale(1);
}

/* Botão Fechar */
.menu-mobile-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: transparent;
    border: 2px solid var(--tertiary-black);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--primary-white);
    font-size: 1.2rem;
}

.menu-mobile-close:hover {
    background: var(--tertiary-black);
    transform: rotate(90deg);
    border-color: var(--primary-white);
}

/* Navegação Mobile */
.menu-mobile-nav {
    margin-top: 3rem;
}

.menu-mobile-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0;
    margin: 0;
}

.menu-mobile-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 1.5rem;
    background: transparent;
    border: 2px solid transparent;
    border-radius: 1.5rem;
    text-decoration: none;
    color: var(--primary-gray);
    font-family: 'font2', sans-serif;
    font-size: 1.3rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.menu-mobile-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.menu-mobile-link:hover::before {
    transform: translateX(100%);
}

.menu-mobile-link:hover,
.menu-mobile-link.active {
    background: var(--tertiary-black);
    border-color: var(--tertiary-black);
    color: var(--primary-white);
    transform: translateX(10px);
}

.menu-mobile-link i {
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-fast);
    font-size: 1rem;
}

.menu-mobile-link:hover i,
.menu-mobile-link.active i {
    opacity: 1;
    transform: translateX(0);
}

/* Footer do Menu */
.menu-mobile-footer {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--tertiary-black);
    text-align: center;
}

.menu-mobile-socials {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.menu-mobile-socials a {
    color: var(--primary-gray);
    font-size: 1.5rem;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 2px solid transparent;
}

.menu-mobile-socials a:hover {
    color: var(--primary-white);
    background: var(--tertiary-black);
    border-color: var(--tertiary-black);
    transform: translateY(-3px);
}

.menu-mobile-copyright {
    color: var(--primary-gray);
    font-family: 'font3', sans-serif;
    font-size: 0.9rem;
    opacity: 0.6;
    margin: 0;
}

/* Ícone do Menu Mobile (Hamburger) */
.menu-mobile {
    display: none;
    font-size: 2rem;
    color: var(--primary-white);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: all var(--transition-fast);
    z-index: calc(var(--z-header) + 1);
}

.menu-mobile:hover {
    background: var(--tertiary-black);
    transform: scale(1.1);
}

/* Animação de entrada dos itens */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.menu-mobile-overlay.active .menu-mobile-nav li {
    animation: slideInUp 0.4s ease forwards;
    opacity: 0;
}

.menu-mobile-overlay.active .menu-mobile-nav li:nth-child(1) { animation-delay: 0.1s; }
.menu-mobile-overlay.active .menu-mobile-nav li:nth-child(2) { animation-delay: 0.2s; }
.menu-mobile-overlay.active .menu-mobile-nav li:nth-child(3) { animation-delay: 0.3s; }
.menu-mobile-overlay.active .menu-mobile-nav li:nth-child(4) { animation-delay: 0.4s; }

/* Partículas decorativas no menu */
.menu-mobile-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: -1;
}

.menu-mobile-particle {
    position: absolute;
    color: var(--tertiary-black);
    font-size: 20px;
    animation: floatParticle 15s infinite linear;
    opacity: 0.3;
}

@keyframes floatParticle {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Prevenção de scroll quando menu aberto */
body.menu-mobile-open {
    overflow: hidden;
    touch-action: none;
}

/* ============================================
   RESPONSIVIDADE - TABLET E MOBILE
   ============================================ */
@media (max-width: 768px) {
    header {
        padding: 1rem 2rem;
        width: calc(100% - 2rem);
    }
    
    header.menu-open {
        background: transparent;
        border-color: transparent;
        box-shadow: none;
    }

    .menu-desk {
        display: none;
    }

    .menu-mobile {
        display: block;
    }
}