/* ===================================
   BRT STUDIO - MAIN STYLES
   Brand: Minimalist Black/White
   Typography: Roboto
   =================================== */

:root {
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-gray: #808080;
    --border-light: rgba(255, 255, 255, 0.15);
    --border-medium: rgba(255, 255, 255, 0.3);
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--color-black);
    color: var(--color-white);
    overflow-x: hidden;
    margin: 0;
}

html {
    overflow: hidden;
}

/* ===================================
   WEBGL CONTAINER
   =================================== */

#webgl-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* ===================================
   NAVIGATION
   =================================== */

.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 3rem;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    height: 40px;
    width: auto;
}

.nav-tagline {
    font-size: 0.65rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    border-left: 1px solid var(--border-light);
    padding-left: 1rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--color-white);
}

.nav-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-white);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* ===================================
   PAGER (Navigation Counter)
   =================================== */

.c-pager {
    position: fixed;
    bottom: 3rem;
    right: 3rem;
    z-index: 50;
    font-family: 'Roboto', monospace;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-white);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.c-pager.is-visible {
    opacity: 1;
}

.c-pager__separator {
    margin: 0 0.5rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ===================================
   INFORMATION PANEL
   =================================== */

.c-information {
    position: fixed;
    top: 50%;
    right: 3rem;
    transform: translateY(-50%);
    z-index: 50;
}

.c-information-btn {
    background: transparent;
    border: 1px solid var(--color-white);
    color: var(--color-white);
    padding: 0.8rem 1.5rem;
    font-family: 'Roboto', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.c-information-btn:hover {
    background: var(--color-white);
    color: var(--color-black);
}

.c-information__panel {
    position: absolute;
    right: 0;
    top: 4rem;
    width: 300px;
    background: var(--color-black);
    border: 1px solid var(--border-light);
    padding: 2rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.c-information__panel.is-visible {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

.c-information__title {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.c-information__description {
    font-size: 0.9rem;
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.c-information__meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   MANIFESTO BUTTON
   =================================== */

.manifesto-btn {
    position: fixed;
    bottom: 3rem;
    right: 50%;
    transform: translateX(50%);
    z-index: 50;
    background: transparent;
    border: 2px solid var(--color-white);
    color: var(--color-white);
    padding: 1rem 2.5rem;
    font-family: 'Roboto', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0.8;
}

.manifesto-btn:hover {
    background: var(--color-white);
    color: var(--color-black);
    opacity: 1;
    transform: translateX(50%) translateY(-3px);
}

.manifesto-btn.is-active {
    background: var(--color-white);
    color: var(--color-black);
}

/* ===================================
   SCROLL INDICATOR
   =================================== */

.scroll-indicator {
    position: fixed;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0.6;
    animation: float 3s ease-in-out infinite;
}

.scroll-indicator span {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.3em;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-white), transparent);
    animation: scroll-anim 2s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

@keyframes scroll-anim {
    0% {
        opacity: 0;
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        opacity: 1;
        transform: scaleY(1);
    }

    100% {
        opacity: 0;
        transform: scaleY(1);
    }
}

/* ===================================
   SOCIAL LINKS
   =================================== */

.social-links {
    position: fixed;
    bottom: 3rem;
    left: 3rem;
    z-index: 50;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-link {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    transition: color 0.3s ease;
    writing-mode: vertical-rl;
    text-orientation: mixed;
}

.social-link:hover {
    color: var(--color-white);
}

/* ===================================
   FOOTER
   =================================== */

.main-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10;
    padding: 1rem 3rem;
    text-align: center;
    font-size: 0.6rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.3);
    border-top: 1px solid var(--border-light);
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

/* ===================================
   NOISE TEXTURE OVERLAY
   =================================== */

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
    /* Noise texture removed due to ERR_INVALID_URL */
    opacity: 0.03;
}

/* ===================================
   SCANLINE EFFECT
   =================================== */

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
    background: linear-gradient(to bottom, transparent 0%, rgba(255, 255, 255, 0.02) 1%, transparent 2%);
    background-size: 100% 4px;
    animation: scanline 8s linear infinite;
    opacity: 0.3;
}

@keyframes scanline {
    0% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(100%);
    }
}

/* ===================================
   RESPONSIVE
   =================================== */

@media (max-width: 768px) {
    .main-nav {
        padding: 1.5rem 2rem;
    }

    .nav-tagline {
        display: none;
    }

    .logo-img {
        height: 30px;
    }

    .social-links,
    .scroll-indicator {
        display: none;
    }

    .c-pager {
        bottom: 2rem;
        right: 2rem;
    }

    .c-information {
        right: 2rem;
    }
}

.c-information__link {
    display: inline-block;
    margin-top: 1.5rem;
    color: #fff;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 0.2rem;
    transition: all 0.3s ease;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
}

.c-information.is-viewed .c-information__link {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    transition-delay: 0.4s;
}

.c-information__link:hover {
    border-bottom-color: #fff;
    transform: translateX(5px);
}
/* CONTACT MODAL */
.contact-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.85); backdrop-filter: blur(10px); z-index: 2000; display: flex; justify-content: center; align-items: center; opacity: 0; pointer-events: none; transition: opacity 0.4s ease; }
.contact-overlay.active { opacity: 1; pointer-events: all; }
.contact-content { background: rgba(20, 20, 20, 0.9); border: 1px solid var(--border-light); padding: 4rem; max-width: 500px; width: 90%; text-align: center; position: relative; border-radius: 4px; }
.contact-close { position: absolute; top: 20px; right: 20px; background: none; border: none; color: white; font-size: 1.5rem; cursor: pointer; }
.contact-title { font-family: 'Oswald', sans-serif; font-size: 2rem; margin-bottom: 3rem; letter-spacing: 2px; }
.contact-item { margin-bottom: 2.5rem; }
.contact-item h3 { font-size: 0.9rem; color: #888; margin-bottom: 0.5rem; text-transform: uppercase; letter-spacing: 1px; }
.contact-item p { font-size: 1.2rem; margin-bottom: 0.5rem; font-weight: bold; }
.contact-link { color: white; text-decoration: none; font-size: 1.1rem; border: 1px solid #333; padding: 10px 20px; display: inline-block; transition: all 0.3s ease; }
.contact-link:hover { background: white; color: black; border-color: white; }
.contact-link span { font-size: 0.8rem; opacity: 0.7; margin-left: 5px; }
.contact-socials { margin-top: 3rem; border-top: 1px solid #333; padding-top: 2rem; display: flex; justify-content: center; gap: 2rem; }
.contact-socials a { color: #888; text-decoration: none; font-size: 0.9rem; letter-spacing: 1px; transition: color 0.3s; }
.contact-socials a:hover { color: white; }

/* ATUALIZACAO CONTATO VISUAL */
.contact-title { font-family: 'Roboto', sans-serif; font-weight: 900; }
.contact-item h3 { font-family: 'Roboto', sans-serif; color: #fff; font-weight: 700; }
.contact-item p { font-family: 'Roboto', sans-serif; font-weight: 300; font-size: 1.5rem; letter-spacing: 2px; }
.contact-link { font-family: 'Roboto', sans-serif; border-color: white; font-weight: 500; }
.contact-link span { color: #ccc; }
.contact-socials a { font-family: 'Roboto', sans-serif; color: white; border-bottom: 1px solid transparent; }
.contact-socials a:hover { border-bottom: 1px solid white; }

/* FIX INTERAÇÃO IMEDIATA */
.c-introduction__bg.is-transparent { pointer-events: none !important; }

/* MOBILE NAVBAR FIX */
@media (max-width: 768px) {
    .main-nav { padding: 1rem 1.5rem !important; }
    .nav-logo { gap: 0.5rem; }
    .logo-img { height: 25px !important; }
    .nav-tagline { display: none !important; }
    .nav-links { gap: 1rem !important; }
    .nav-link { font-size: 0.6rem !important; margin-right: 0 !important; letter-spacing: 0.1em !important; }
    .nav-dot { display: none !important; } 
}