/* -------------------------------------------------------------
   MUG STUDIO — Radical Minimalist Hero Section Style System
------------------------------------------------------------- */

/* Custom CSS Variables & Tokens */
:root {
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-gray-dark: #0A0A0A;
    --color-gray-light: #F5F5F5;
    
    --font-primary: 'Syne', sans-serif;
    
    /* Layout Sizing & Padding */
    --padding-desktop: 2.2rem;
    --padding-mobile: 1.5rem;
    
    /* Transition Timings */
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 1. Base Resets & Layout Setup */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
    background-color: var(--color-white);
    color: var(--color-black);
    font-family: var(--font-primary);
    overflow-x: hidden;
}

/* Hide standard cursor only on devices that support hover */
@media (hover: hover) and (pointer: fine) {
    html, body, a, button, [role="button"], input, select {
        cursor: none !important;
    }
}

body {
    background-color: var(--color-white);
    color: var(--color-black);
    height: auto;
    min-height: 100vh;
    width: 100%;
    position: relative;
    overflow-y: auto;
    overflow-x: hidden;
}

/* 2. Custom Cursor */
#custom-cursor {
    width: 10px;
    height: 10px;
    background-color: var(--color-white);
    border: 1.5px solid var(--color-black);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
    will-change: transform, width, height, background-color, border;
    transition: width 0.25s cubic-bezier(0.16, 1, 0.3, 1), 
                height 0.25s cubic-bezier(0.16, 1, 0.3, 1), 
                background-color 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                border 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Cursor Hover states - Expands and becomes transparent with a thin black border */
#custom-cursor.hovered {
    width: 48px;
    height: 48px;
    background-color: transparent;
    border: 1.5px solid var(--color-black);
}

/* White cursor state inside dark folds */
#custom-cursor.white-cursor {
    background-color: var(--color-white);
    border: 1.5px solid var(--color-white);
}

#custom-cursor.white-cursor.hovered {
    width: 48px;
    height: 48px;
    background-color: transparent;
    border: 1.5px solid var(--color-white);
}

/* Hide custom cursor on mobile touch devices */
@media (pointer: coarse) {
    #custom-cursor {
        display: none !important;
    }
    html, body, a, button {
        cursor: auto !important;
    }
}

/* 3. Screen Structure Wrapper (Fixed Overlay Stack) */
.hero-section {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    padding: var(--padding-desktop);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
    overflow: hidden;
}

/* 4. Zona Superior (Top Nav - Fluid min-height) */
.top-header {
    min-height: 80px;
    padding: 1.5rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    position: relative;
    z-index: 100;
}

.brand {
    font-size: 24px;
    font-weight: 700;
    text-transform: lowercase;
    color: var(--color-black);
    text-decoration: none;
    letter-spacing: -0.02em;
    display: inline-block;
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    color: var(--color-black);
    text-decoration: none;
    letter-spacing: 0.18em;
    position: relative;
    padding: 0.5rem 0;
    transition: opacity var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-black);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Language Switcher */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.15rem;
}

.lang-btn {
    background: none;
    border: none;
    padding: 0.5rem 0.7rem;
    font-family: var(--font-primary);
    font-size: 11px;
    font-weight: 500;
    color: var(--color-black);
    opacity: 0.35;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    transition: opacity var(--transition-fast), font-weight var(--transition-fast);
}

.lang-btn.active {
    opacity: 1;
    font-weight: 700;
}

.lang-btn:hover {
    opacity: 0.85;
}

.lang-separator {
    color: var(--color-black);
    opacity: 0.25;
    font-family: var(--font-primary);
    font-size: 11px;
    user-select: none;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Minimalist Hamburger Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    width: 32px;
    height: 20px;
    position: relative;
    flex-direction: column;
    justify-content: space-between;
    padding: 0;
    z-index: 101;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 1px;
    background-color: var(--color-black);
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

/* 5. Zona Central (Headline Impact - Flex Fluid) */
.hero-center {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 3rem 0;
}

.eyebrow {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--color-black);
    margin-bottom: 2rem;
    display: inline-block;
    opacity: 0;
    transform: translateY(10px);
    transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.eyebrow.animate {
    opacity: 1;
    transform: translateY(0);
}

.headline {
    font-size: clamp(44px, 6.2vw, 92px);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.03em;
    color: var(--color-black);
    text-align: left;
    max-width: 95%;
    display: block;
}

/* Cohesive GPU-Accelerated Scroll Fold Reveals */
.reveal-fold {
    opacity: 0;
    transform: translate3d(0, 50px, 0);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-fold.animate-fold {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

/* Mask Reveal Classes for Headline Words */
.word-container {
    display: inline-block;
    overflow: hidden;
    vertical-align: bottom;
    padding-top: 0.18em;     /* Extra padding inside the overflow box so accents render fully */
    margin-top: -0.18em;     /* Offset top padding to maintain baseline grid alignment */
    padding-bottom: 0.05em;
    margin-bottom: -0.05em;
    margin-right: 0.22em;    /* Emulate gap in inline-block layout */
}

.word-reveal {
    display: inline-block;
    transform: translateY(105%);
    transition: transform var(--transition-slow);
    will-change: transform;
}

.word-reveal.animate {
    transform: translateY(0);
}

/* Text outline utility */
.text-outline {
    color: transparent;
    -webkit-text-stroke: 1px var(--color-black);
}

/* Responsive Line break structures */
.mobile-only {
    display: none !important;
}

/* 6. Zona Inferior (Footer Support & CTAs) */
.hero-bottom {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    border-top: 1px solid var(--color-black);
    padding-top: 1.5rem;
    width: 100%;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: flex-start;
}

.footer-left {
    max-width: 520px;
}

.subheadline {
    font-size: clamp(15px, 1.2vw, 17px);
    font-weight: 400;
    line-height: 1.45;
    color: var(--color-gray-dark);
    letter-spacing: -0.01em;
    opacity: 0;
    transform: translateY(15px);
    transition: transform var(--transition-slow), opacity var(--transition-slow);
    transition-delay: 0.2s;
}

.subheadline.animate {
    opacity: 1;
    transform: translateY(0);
}

.cta-group {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    justify-content: flex-end;
    height: 100%;
    opacity: 0;
    transform: translateY(15px);
    transition: transform var(--transition-slow), opacity var(--transition-slow);
    transition-delay: 0.3s;
}

.cta-group.animate {
    opacity: 1;
    transform: translateY(0);
}

/* CTA Primary (Solid Black) */
.btn-primary {
    display: inline-block;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    background-color: var(--color-black);
    color: var(--color-white);
    border: 1px solid var(--color-black);
    padding: 1.1rem 2.2rem;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color var(--transition-fast), color var(--transition-fast), border var(--transition-fast);
}

.btn-primary:hover {
    background-color: var(--color-white);
    color: var(--color-black);
    border: 1px solid var(--color-black);
}

/* CTA Secondary (Outlined White) */
.btn-secondary {
    display: inline-block;
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    background-color: var(--color-white);
    color: var(--color-black);
    border: 1px solid var(--color-black);
    padding: 1.1rem 2.2rem;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color var(--transition-fast), color var(--transition-fast), border var(--transition-fast);
}

.btn-secondary:hover {
    background-color: var(--color-black);
    color: var(--color-white);
    border: 1px solid var(--color-black);
}

/* Bottom Bar details */
.bottom-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    width: 100%;
    opacity: 0;
    transition: opacity var(--transition-slow);
    transition-delay: 0.4s;
}

.bottom-bar.animate {
    opacity: 1;
}

.vol-stamp {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.18em;
    color: var(--color-black);
}

.scroll-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-black);
}

.scroll-text {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.18em;
}

.scroll-arrow {
    display: block;
    animation: scroll-bounce 2s infinite ease-in-out;
}

/* 7. Scroll bounce animation keyframes */
@keyframes scroll-bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(6px);
    }
}

/* 8. Mobile Navigation Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-black);
    color: var(--color-white);
    z-index: 999;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--padding-mobile);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-20px);
    transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.mobile-menu-overlay.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 10vh;
}

.brand-mobile {
    font-size: 24px;
    font-weight: 700;
    text-transform: lowercase;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.mobile-close-btn {
    background: none;
    border: none;
    width: 32px;
    height: 32px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.close-line {
    display: block;
    width: 100%;
    height: 1px;
    background-color: var(--color-white);
    position: relative;
    transform: rotate(45deg);
}

.close-line::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-white);
    transform: rotate(-90deg);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: flex-start;
    padding-left: 1rem;
}

.mobile-nav-link {
    font-size: clamp(24px, 6.5vw, 36px);
    font-weight: 800;
    text-transform: uppercase;
    color: var(--color-white);
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: opacity var(--transition-fast);
}

.mobile-nav-link:hover {
    opacity: 0.6;
}

.mobile-menu-footer {
    width: 100%;
    display: flex;
    justify-content: center;
    padding-bottom: 2rem;
}

.mobile-cta {
    width: 100%;
    text-align: center;
    background-color: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-white);
}

.mobile-cta:hover {
    background-color: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-white);
}

/* =============================================================
   MUG STUDIO — Seção 4: Manifesto (Problema -> Solução)
============================================================= */
.manifesto-section {
    background-color: var(--color-black);
    color: var(--color-white);
    height: 100vh;
    height: 100dvh; /* Lock exactly to viewport on desktop */
    width: 100%;
    position: relative;
    z-index: 20; /* Sits above fixed hero section */
    margin-top: 100vh;
    margin-top: 100dvh; /* Sit exactly below viewport on load */
    overflow: hidden;
    
    /* Card stack visual styling */
    border-top-left-radius: 24px;
    border-top-right-radius: 24px;
    box-shadow: 0 -20px 40px rgba(0, 0, 0, 0.30);
    will-change: transform, border-radius;
}

.manifesto-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--padding-desktop);
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%; /* Fills parent 100vh height */
}

.manifesto-content-block {
    display: flex;
    flex-direction: column;
    gap: 2.2rem;
    max-width: 1100px;
    width: 100%;
}

.manifesto-text {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.08; /* Decreased line height slightly */
    color: var(--color-white);
    text-align: left;
    max-width: 100%;
    display: block;
    text-wrap: balance;
}

/* =============================================================
   MUG STUDIO — Seção 5: Cases em Destaque (Problema -> Solução -> Obra)
============================================================= */
.cases-section {
    background-color: var(--color-white);
    color: var(--color-black);
    width: 100%;
    position: relative;
    z-index: 25; /* Sits above manifesto section */
    padding: 180px 0;
    overflow: hidden;
}

.cases-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--padding-desktop);
    display: flex;
    flex-direction: column;
}

/* Faixa Superior (Cabeçalho) */
.cases-header {
    width: 100%;
    display: flex;
    flex-direction: column;
    margin-bottom: 120px;
}

.cases-eyebrow {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2rem;
    color: var(--color-black);
    opacity: 0.60;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.cases-divider {
    width: 100%;
    height: 1px;
    background-color: var(--color-black);
    opacity: 0.20;
    margin-bottom: 2rem;
}

.cases-header-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: flex-start;
}

.cases-title {
    font-size: clamp(48px, 6.5vw, 96px);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.02em;
    color: var(--color-black);
    text-align: left;
}

.cases-description {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-black);
    opacity: 0.70;
    max-width: 320px;
    text-align: left;
    margin-bottom: 1.8rem;
}

.cases-archive-link {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-black);
    text-decoration: underline;
    text-underline-offset: 6px;
    transition: opacity var(--transition-fast);
    display: inline-block;
}

.cases-archive-link:hover {
    opacity: 0.7;
}

/* Lista de Cases */
.cases-list {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.cases-list-item {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 5rem;
    align-items: flex-start;
    width: 100%;
    margin-bottom: 120px;
    text-decoration: none;
    color: var(--color-black);
    transition: opacity 0.3s ease;
    opacity: 1;
}

/* Sibling passive dimming effect when hovering a case */
.cases-list.has-hovered .cases-list-item:not(.is-hovered) {
    opacity: 0.6;
}

/* reversed layout */
.cases-list-item.layout-reversed {
    grid-template-columns: 0.7fr 1.3fr;
}

/* Case Thumbnail */
.case-thumbnail-container {
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    position: relative;
    background-color: #000000;
    /* Clip reveal animation initial state */
    clip-path: inset(100% 0 0 0);
    transition: clip-path 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: clip-path;
}

.case-thumbnail-reveal-wrapper {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.case-image {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Fill container completely to eliminate black letterbox bars, letting clip-path crop the actual video content */
    filter: grayscale(100%);
    transition: filter 600ms cubic-bezier(0.16, 1, 0.3, 1), 
                transform 600ms cubic-bezier(0.16, 1, 0.3, 1);
    will-change: filter, transform;
    clip-path: inset(0 0 18px 0); /* Slices off bottom browser capture noise (like footer copyright/dotted lines) */
}

/* Hover thumbnail scale & grayscale removal */
.cases-list-item:hover .case-image {
    filter: grayscale(0%);
    transform: scale(1.02);
}

/* Thumbnail specific custom cursor */
#custom-cursor.thumbnail-active {
    width: 96px;
    height: 96px;
    background-color: var(--color-black);
    color: var(--color-white);
    mix-blend-mode: normal !important;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-align: center;
    padding: 0.5rem;
    border-radius: 50%;
    pointer-events: none;
}

/* Case Info Block */
.case-info-block {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding-top: 0.5rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

/* layout-reversed info block order helper */
.cases-list-item.layout-reversed .case-info-block {
    grid-column: 1;
    grid-row: 1;
}

.case-info-number {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-black);
    opacity: 0.50;
}

.case-info-name {
    font-size: clamp(28px, 3.2vw, 40px);
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -0.01em;
    color: var(--color-black);
}

.case-info-segment {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-black);
    opacity: 0.70;
}

.case-info-cta {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-black);
    margin-top: 1.5rem;
    display: inline-block;
    position: relative;
    align-self: flex-start;
}

/* Underline hover draw animation */
.case-info-cta::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-black);
    transform: scaleX(0);
    transform-origin: bottom left;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.cases-list-item:hover .case-info-cta::after {
    transform: scaleX(1);
}

/* reveal animation state triggered via JS */
.cases-list-item.animate .case-thumbnail-container {
    clip-path: inset(0 0 18px 0);
}

.cases-list-item.animate .case-info-block {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 200ms;
}

/* Rodapé da Seção */
.cases-footer {
    width: 100%;
    margin-top: 40px;
}

.cases-footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.cases-footer-stamp {
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-black);
    opacity: 0.50;
}

.cases-footer-cta {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-black);
    text-decoration: underline;
    text-underline-offset: 6px;
    transition: opacity var(--transition-fast);
    display: inline-block;
}

.cases-footer-cta:hover {
    opacity: 0.7;
}

/* =============================================================
   MUG STUDIO — Seção 6: Processo / Método ( Blueprint Técnico )
============================================================= */
.process-section {
    background-color: var(--color-black);
    color: var(--color-white);
    width: 100%;
    position: relative;
    z-index: 30; /* Sits above cases section */
    padding: 180px 0;
    overflow: hidden;
}

.process-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--padding-desktop);
    display: flex;
    flex-direction: column;
}

/* Faixa Superior (Cabeçalho) */
.process-header {
    width: 100%;
    display: flex;
    flex-direction: column;
    margin-bottom: 80px;
}

.process-eyebrow {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2rem;
    color: var(--color-white);
    opacity: 0.60;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.process-divider {
    width: 100%;
    height: 1px;
    background-color: var(--color-white);
    opacity: 0.20;
    margin-bottom: 2rem;
}

.process-header-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: flex-start;
}

.process-title {
    font-size: clamp(48px, 6.5vw, 96px);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.02em;
    color: var(--color-white);
    text-align: left;
}

.process-description {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-white);
    opacity: 0.70;
    max-width: 360px;
    text-align: left;
}

/* Bloco da Timeline */
.process-timeline {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    height: 200px;
    margin-top: 0;
}

.process-timeline-line {
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background-color: var(--color-white);
    opacity: 0.40;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}

.process-timeline-steps {
    position: relative;
    display: flex;
    justify-content: space-between;
    width: 100%;
    z-index: 5;
}

.process-step {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: calc(100% / 5);
}

.process-step-number {
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-white);
    opacity: 0.50;
    position: absolute;
    bottom: calc(50% + 32px); /* Anchored exactly 32px above the horizontal line */
    transform: translateY(8px);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.process-marker {
    width: 12px;
    height: 12px;
    background-color: var(--color-white);
    transform: scale(0);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
    z-index: 10;
}

.process-step-content {
    position: absolute;
    top: calc(50% + 32px); /* Anchored exactly 32px below the horizontal line */
    display: flex;
    flex-direction: column;
    align-items: center;
}

.process-step-mob-number {
    display: none; /* Hidden on desktop, layout number used instead */
}

.process-step-name {
    font-size: clamp(10px, 1.1vw, 13px); /* Scaled down from 12px-16px so all 5 columns fit comfortably without overlapping on smaller viewports */
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.01em;
    color: var(--color-white);
    text-align: center;
    white-space: nowrap;
    transform: translateY(8px);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                letter-spacing 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform, letter-spacing;
}

/* Hover over steps micro-interactions */
.process-step:hover .process-marker {
    transform: scale(1.5);
}

.process-step:hover .process-step-name {
    letter-spacing: 0.01em;
}

/* Scroll reveal trigger classes */
.process-section.animate .process-timeline-line {
    transform: scaleX(1);
}

/* Marker and text reveal triggered incrementally by script */
.process-step.animate-step .process-marker {
    transform: scale(1);
}

.process-step.animate-step .process-step-number {
    opacity: 0.50;
    transform: translateY(0);
}

.process-step.animate-step .process-step-name {
    opacity: 1;
    transform: translateY(0);
}

/* Rodapé da Seção */
.process-footer {
    width: 100%;
    margin-top: 120px;
    display: flex;
    justify-content: flex-end; /* Right-align the single CTA button on desktop */
}

.process-footer-cta {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-white);
    text-decoration: underline;
    text-underline-offset: 6px;
    transition: opacity var(--transition-fast);
    display: inline-block;
}

.process-footer-cta:hover {
    opacity: 0.7;
}

/* =============================================================
   MUG STUDIO — Seção 7: Diferenciais / Princípios ( Ficha Técnica )
   ============================================================= */
.about-section {
    background-color: var(--color-white);
    color: var(--color-black);
    width: 100%;
    position: relative;
    z-index: 30;
    padding: 180px 0;
    overflow: hidden;
    /* Render Offloading Optimization */
    content-visibility: auto;
    contain-intrinsic-size: 500px;
}

.about-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--padding-desktop);
    display: flex;
    flex-direction: column;
}

/* Faixa Superior (Cabeçalho) */
.about-header {
    width: 100%;
    display: flex;
    flex-direction: column;
    margin-bottom: 100px;
}

.about-eyebrow {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2rem;
    color: var(--color-black);
    opacity: 0.60;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.about-divider {
    width: 100%;
    height: 1px;
    background-color: var(--color-black);
    opacity: 0.20;
    margin-bottom: 2rem;
}

.about-header-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: flex-start;
}

.about-title {
    font-size: clamp(48px, 6.5vw, 96px);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.02em;
    color: var(--color-black);
    text-align: left;
}

.about-header-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
}

.about-description {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-black);
    opacity: 0.70;
    max-width: 360px;
    text-align: right;
    text-wrap: balance;
}

/* Grade de Pilares (4 colunas no Desktop) */
.about-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    width: 100%;
    position: relative;
}

.about-pilar {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    
    /* Animation initial state */
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.about-section.animate .about-pilar {
    opacity: 1;
    transform: translateY(0);
}

/* Desktop staggered cascade transitions */
.about-section.animate .about-pilar:nth-child(1) { transition-delay: 0ms; }
.about-section.animate .about-pilar:nth-child(2) { transition-delay: 120ms; }
.about-section.animate .about-pilar:nth-child(3) { transition-delay: 240ms; }
.about-section.animate .about-pilar:nth-child(4) { transition-delay: 360ms; }

/* Abstract Glyph container styling */
.about-glyph {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
    
    /* Animation initial state */
    transform: scale(0.85);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}

.about-section.animate .about-pilar:nth-child(1) .about-glyph { transform: scale(1); transition-delay: 0ms; }
.about-section.animate .about-pilar:nth-child(2) .about-glyph { transform: scale(1); transition-delay: 120ms; }
.about-section.animate .about-pilar:nth-child(3) .about-glyph { transform: scale(1); transition-delay: 240ms; }
.about-section.animate .about-pilar:nth-child(4) .about-glyph { transform: scale(1); transition-delay: 360ms; }

.about-glyph svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* --- PILAR 01: quadrado com diagonal --- */
.pilar-glyph-01 line {
    transform-origin: center;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}
.about-pilar:hover .pilar-glyph-01 line {
    transform: rotate(90deg);
}

/* --- PILAR 02: quadrados sobrepostos --- */
.glyph-fg-square, .glyph-bg-square {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}
.about-pilar:hover .glyph-fg-square {
    transform: translate(3px, 3px);
}
.about-pilar:hover .glyph-bg-square {
    transform: translate(-3px, -3px);
}

/* --- PILAR 03: círculo com ponto interno --- */
.glyph-focus-dot {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}
.about-pilar:hover .glyph-focus-dot {
    transform: translate(16px, -16px);
}

/* --- PILAR 04: três linhas paralelas --- */
.glyph-line-01, .glyph-line-02, .glyph-line-03 {
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}
.about-pilar:hover .glyph-line-02 {
    transform: scaleX(1.333); /* 36px * 1.333 = 48px */
}
.about-pilar:hover .glyph-line-03 {
    transform: scaleX(1.091); /* 44px * 1.091 = 48px */
}

/* Pillar typography styling */
.about-pilar-number {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-black);
    opacity: 0.50;
    margin-bottom: 12px;
}

.about-pilar-title {
    font-size: clamp(20px, 2.2vw, 26px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.01em;
    color: var(--color-black);
    text-transform: lowercase; /* Contrast with uppercase labels */
    margin-bottom: 16px;
    text-align: left;
}

.about-pilar-phrase {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-black);
    opacity: 0.75;
    text-align: left;
}

/* Grid Divider Pseudo-elements (Desktop) */
@media (min-width: 1025px) {
    .about-pilar:not(:last-child)::after {
        content: '';
        position: absolute;
        right: -20px; /* Centered in the 40px grid gap */
        top: 24px;
        bottom: 24px;
        width: 1px;
        background-color: rgba(0, 0, 0, 0.15);
        transform: scaleY(0);
        transform-origin: center;
        transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        will-change: transform;
    }
    .about-section.animate .about-pilar:not(:last-child)::after {
        transform: scaleY(1);
    }
}

/* Faixa Inferior (Encerramento) */
.about-footer {
    width: 100%;
    margin-top: 120px;
    display: flex;
    flex-direction: column;
}

.about-footer-divider {
    width: 100%;
    height: 1px;
    background-color: var(--color-black);
    opacity: 0.20;
    margin-bottom: 2rem;
}

.about-footer-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.about-footer-text {
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-black);
    opacity: 0.50;
}

.about-footer-cta {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-black);
    text-decoration: underline;
    text-underline-offset: 6px;
    transition: opacity var(--transition-fast);
    display: inline-block;
}

.about-footer-cta:hover {
    opacity: 0.7;
}

/* =============================================================
   MUG STUDIO — Seção 8: FAQ ( Dúvidas Frequentes )
   ============================================================= */
.faq-section {
    background-color: var(--color-black);
    color: var(--color-white);
    width: 100%;
    position: relative;
    z-index: 30;
    padding: 180px 0;
    overflow: hidden;
    /* Render Offloading Optimization */
    content-visibility: auto;
    contain-intrinsic-size: 500px;
}

.faq-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--padding-desktop);
    display: flex;
    flex-direction: column;
}

/* Faixa Superior (Cabeçalho) */
.faq-header {
    width: 100%;
    display: flex;
    flex-direction: column;
    margin-bottom: 100px;
}


.faq-header-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: flex-start;
}

.faq-title {
    font-size: clamp(48px, 6.5vw, 96px);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.02em;
    color: var(--color-white);
    text-align: left;
}

.faq-header-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
}

.faq-description {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-white);
    opacity: 0.70;
    max-width: 360px;
    text-align: right;
    margin-bottom: 1.5rem;
    text-wrap: balance;
}

.faq-header-cta {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-white);
    text-decoration: underline;
    text-underline-offset: 6px;
    transition: opacity var(--transition-fast);
    display: inline-block;
}

.faq-header-cta:hover {
    opacity: 0.7;
}

/* Accordion Table Layout */
.faq-accordion {
    width: 100%;
    display: flex;
    flex-direction: column;
}

.faq-item {
    width: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

.faq-divider-item {
    width: 100%;
    height: 1px;
    background-color: var(--color-white);
    opacity: 0.20;
}

.faq-trigger {
    width: 100%;
    background: none;
    border: none;
    padding: 32px 0;
    display: grid;
    grid-template-columns: 8% 82% 10%;
    align-items: flex-start;
    text-align: left;
    cursor: pointer;
    outline: none;
    color: var(--color-white);
}

.faq-number {
    font-family: var(--font-primary);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-white);
    opacity: 0.50;
    padding-top: 6px; /* Align near top of question text */
}

.faq-question {
    font-family: var(--font-primary);
    font-size: clamp(20px, 2.5vw, 30px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--color-white);
    text-transform: lowercase; /* Contrast with uppercase labels */
    max-width: 100%; /* Expanded from 720px to prevent layout wrap shifting on hover tracking */
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), color 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}

.faq-trigger:hover .faq-question {
    transform: translate3d(8px, 0, 0);
    color: rgba(255, 255, 255, 0.85); /* Premium micro-interaction color fade */
}

.faq-icon {
    font-family: var(--font-primary);
    font-size: 28px;
    font-weight: 500;
    color: var(--color-white);
    text-align: right;
    display: block;
    line-height: 1;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}

/* Expanded state indicators */
.faq-trigger[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg); /* Turns '+' into '×' */
}

/* Accordion Panel / Content styling */
.faq-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: max-height;
}

.faq-panel-content {
    padding-left: 8%; /* Indented exactly to center column starts */
    padding-right: 10%;
    padding-bottom: 32px; /* Pad inside revealed area before divider */
    
    /* Animation initial state for answers */
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.faq-trigger[aria-expanded="true"] + .faq-panel .faq-panel-content {
    opacity: 1;
    transform: translateY(0);
}

.faq-panel-content p {
    font-family: var(--font-primary);
    font-size: clamp(14px, 1.4vw, 16px);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-white);
    opacity: 0.80;
    max-width: 720px;
}

/* Style editable value placeholder */
.faq-value-placeholder {
    font-weight: 700;
    border-bottom: 1.5px dotted var(--color-white);
    padding: 0 4px;
    opacity: 1;
}

/* -------------------------------------------------------------
   MUG STUDIO — Seção 9: CTA Final & Contato ( Fim do Documento )
   ------------------------------------------------------------- */
.contact-section {
    background-color: var(--color-white);
    color: var(--color-black);
    width: 100%;
    padding: 220px 0;
    position: relative;
    z-index: 15;
    /* Render Offloading Optimization */
    content-visibility: auto;
    contain-intrinsic-size: 500px;
}

.contact-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--padding-desktop);
    display: flex;
    flex-direction: column;
}

.contact-grid {
    display: grid;
    grid-template-columns: 55% 45%;
    gap: 4rem;
    align-items: flex-start;
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    left: -30px; /* Arraste óptico para a esquerda */
}

/* Coluna Esquerda */
.contact-column-left {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.contact-title {
    font-family: var(--font-primary);
    font-size: clamp(38px, 6.5vw, 90px); /* Slightly smaller than 120px to prevent overflow wrap on average resolutions */
    font-weight: 800;
    line-height: 0.92;
    letter-spacing: -0.02em;
    color: var(--color-black);
    text-align: left;
    margin-bottom: 40px;
}

.headline-outline {
    -webkit-text-stroke: 1.5px var(--color-black);
    color: transparent;
    transition: color 0.4s cubic-bezier(0.16, 1, 0.3, 1), -webkit-text-stroke 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-block;
}

.headline-outline:hover {
    color: var(--color-black) !important;
    -webkit-text-stroke: 1.5px transparent;
}

.contact-subheadline {
    font-family: var(--font-primary);
    font-size: clamp(16px, 1.8vw, 20px);
    font-weight: 400;
    line-height: 1.4;
    max-width: 480px;
    color: var(--color-black);
    opacity: 0.80;
    text-align: left;
    text-wrap: balance;
    margin-bottom: 80px;
}

/* Coluna Direita */
.contact-column-right {
    display: flex;
    flex-direction: column;
    /* Initial state for IntersectionObserver entrance */
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1) 400ms, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1) 400ms;
    will-change: opacity, transform;
}

.contact-section.animate .contact-column-right {
    opacity: 1;
    transform: translateY(0);
}

.block-label {
    font-family: var(--font-primary);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-black);
    opacity: 0.50;
    margin-bottom: 32px;
    display: inline-block;
}

/* Briefing Form */
.briefing-form {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.field-group {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.field-label {
    position: absolute;
    left: 0;
    top: 12px;
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-black);
    opacity: 0.50;
    pointer-events: none;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), font-size 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), letter-spacing 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transform-origin: left top;
    will-change: transform, font-size, opacity;
}

.field-input {
    width: 100%;
    background: none;
    border: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.30);
    padding: 12px 0;
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 400;
    color: var(--color-black);
    outline: none;
    border-radius: 0;
    transition: border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.field-input:focus {
    border-bottom: 1px solid var(--color-black);
}

.textarea-input {
    height: 120px;
    resize: none;
}

/* Floating Label Animation States */
.field-group.focused .field-label,
.field-group.has-value .field-label {
    transform: translateY(-28px);
    font-size: 11px;
    opacity: 0.70;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

/* Validation Error Styles */
.field-group.has-error .field-input {
    border-bottom: 1.5px solid var(--color-black) !important;
}

.field-error-message {
    font-family: var(--font-primary);
    font-size: 11px;
    font-weight: 500;
    color: var(--color-black);
    margin-top: 6px;
    text-align: left;
    display: none;
}

.field-group.has-error .field-error-message {
    display: block;
}

/* Submit Buttons */
.btn-submit {
    margin-top: 8px;
    width: 100%;
    background-color: var(--color-black);
    border: 1px solid var(--color-black);
    padding: 24px 32px;
    font-family: var(--font-primary);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-white);
    cursor: pointer;
    border-radius: 0;
    outline: none;
    transition: background-color 0.2s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-submit:hover {
    background-color: transparent;
    color: var(--color-black);
}

/* Divisor Horizontal OU */
.contact-or-divider {
    position: relative;
    width: 100%;
    height: 1px;
    margin: 64px 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.divider-line {
    position: absolute;
    width: 100%;
    height: 1px;
    background-color: var(--color-black);
    opacity: 0.20;
}

.or-badge {
    position: relative;
    background-color: var(--color-white);
    padding: 0 32px;
    font-family: var(--font-primary);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-black);
    opacity: 0.60;
    z-index: 2;
}

/* Calendly Block */
.calendly-block {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.calendly-text {
    font-family: var(--font-primary);
    font-size: clamp(14px, 1.4vw, 15px);
    font-weight: 400;
    line-height: 1.4;
    color: var(--color-black);
    opacity: 0.75;
    text-align: left;
    margin-bottom: 24px;
}

.btn-calendly {
    width: 100%;
    background-color: transparent;
    border: 1px solid var(--color-black);
    padding: 24px 32px;
    font-family: var(--font-primary);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-black);
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    border-radius: 0;
    outline: none;
    transition: background-color 0.2s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Success Card Styling */
.form-success-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 0;
    animation: successCardPop 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes successCardPop {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.success-title {
    font-family: var(--font-primary);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 12px;
    text-align: left;
}

.success-subheadline {
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 400;
    color: var(--color-black);
    opacity: 0.75;
    text-align: left;
}

/* Footer de Assinatura */
.contact-footer {
    display: flex;
    flex-direction: column;
    width: 100%;
    margin-top: 140px;
}

.footer-divider-line {
    width: 100%;
    height: 1px;
    background-color: var(--color-black);
    opacity: 0.20;
    margin-bottom: 24px;
}

.footer-bottom-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.footer-bottom-left,
.footer-bottom-right {
    font-family: var(--font-primary);
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-black);
    opacity: 0.50;
}


/* -------------------------------------------------------------
   9. Responsive Breakpoints
   ------------------------------------------------------------- */

/* Tablet (Medium) Breakpoint */
@media (max-width: 1024px) {
    .hero-section {
        padding: 2.5rem;
    }
    
    .desktop-nav {
        gap: 1.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .cta-group {
        justify-content: flex-start;
    }

    /* Seção 7 Tablet Overrides */
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 60px 40px;
    }

    .about-pilar:nth-child(odd)::after {
        content: '';
        position: absolute;
        right: -20px;
        top: 24px;
        bottom: 24px;
        width: 1px;
        background-color: rgba(0, 0, 0, 0.15);
        transform: scaleY(0);
        transform-origin: center;
        transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        will-change: transform;
    }
    .about-section.animate .about-pilar:nth-child(odd)::after {
        transform: scaleY(1);
    }

    .about-pilar:nth-child(-n+2)::before {
        content: '';
        position: absolute;
        bottom: -30px; /* Center of 60px row gap */
        left: 24px;
        right: 24px;
        height: 1px;
        background-color: rgba(0, 0, 0, 0.15);
        transform: scaleX(0);
        transform-origin: center;
        transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        will-change: transform;
    }
    .about-section.animate .about-pilar:nth-child(-n+2)::before {
        transform: scaleX(1);
    }

    /* Seção 8 Tablet Overrides */
    .faq-trigger {
        grid-template-columns: 10% 80% 10%;
    }
    
    .faq-panel-content {
        padding-left: 10%;
    }
}

/* Mobile Breakpoint (< 768px) */
@media (max-width: 767px) {
    :root {
        --padding-mobile: 1.5rem;
    }
    
    body {
        height: auto;
        overflow: auto;
    }
    
    .desktop-only {
        display: none !important;
    }
    
    .mobile-only {
        display: block !important;
    }
    
    .hero-section {
        padding: var(--padding-mobile);
        height: 100vh !important;
        height: 100dvh !important;
        width: 100%;
        position: fixed !important; /* Keep fixed stacking overlay on mobile */
        top: 0;
        left: 0;
        z-index: 10;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        gap: 0;
    }
    
    .top-header {
        height: auto;
        padding: 1rem 0;
    }
    
    .desktop-nav, .cta-nav {
        display: none !important;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-center {
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: 1rem 0;
        min-height: auto;
    }
    
    .eyebrow {
        margin-bottom: 1.25rem;
        font-size: 9px;
        letter-spacing: 0.15em;
    }
    
    .headline {
        font-size: clamp(24px, 7.8vw, 38px);
        max-width: 100%;
        line-height: 0.95;
        letter-spacing: -0.03em;
    }
    
    .hero-bottom {
        height: auto;
        border-top: 1px solid var(--color-black);
        padding-top: 1rem;
        padding-bottom: 0.5rem;
        gap: 1rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .subheadline {
        font-size: clamp(12px, 3.3vw, 13.5px);
        line-height: 1.45;
    }
    
    .cta-group {
        flex-direction: column;
        align-items: stretch;
        gap: 1.2rem;
        width: 100%;
    }
    
    .btn-primary {
        text-align: center;
        padding: 1.2rem;
        font-size: 11px;
    }
    
    .btn-secondary {
        text-align: center;
        padding: 1.2rem;
        font-size: 11px;
    }
    
    .bottom-bar {
        padding-top: 1rem;
        border-top: 1px solid var(--color-gray-light);
    }
    
    .scroll-indicator {
        display: none !important;
    }
    
    /* Mobile Manifesto Overrides */
    .manifesto-section {
        height: 100vh !important; /* Force Dobra 2 to take the entire viewport */
        height: 100dvh !important;
        margin-top: 100vh !important; /* Retain stack overlay starting position */
        margin-top: 100dvh !important;
        border-top-left-radius: 16px;
        border-top-right-radius: 16px;
        padding: 0;
        position: relative !important;
        z-index: 20;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        justify-content: center;
        will-change: transform, border-radius;
    }
    
    .manifesto-container {
        max-width: 100%;
        margin: 0 auto;
        padding: 0 var(--padding-mobile);
        display: flex;
        flex-direction: column;
        justify-content: center;
        height: 100%;
        gap: 2rem;
    }
    
    .manifesto-content-block {
        gap: 1.8rem;
    }
    
    .manifesto-text {
        font-size: clamp(22px, 6.2vw, 32px);
    }

    /* Mobile Cases Overrides */
    .cases-section {
        padding: 96px 0;
    }
    
    .cases-container {
        padding: 0 var(--padding-mobile);
    }
    
    .cases-header {
        margin-bottom: 48px;
    }
    
    .cases-header-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .cases-title {
        font-size: clamp(32px, 8.5vw, 44px) !important; /* Scale down so title fits without clipping */
        line-height: 0.95;
    }
    
    .cases-description {
        font-size: 13px;
        line-height: 1.45;
        max-width: 280px; /* Constrain width so text breaks elegantly into balanced lines */
        text-wrap: balance;
        margin-bottom: 1rem;
    }
    
    .cases-list-item {
        grid-template-columns: 1fr !important; /* Force single column on mobile */
        gap: 2rem;
        margin-bottom: 80px;
    }
    
    .cases-list-item.layout-reversed {
        grid-template-columns: 1fr !important;
    }
    
    /* Revert display order for reversed layout on mobile stack */
    .cases-list-item.layout-reversed .case-info-block {
        grid-column: auto;
        grid-row: auto;
    }
    
    .case-thumbnail-container {
        aspect-ratio: 16/9 !important; /* Force 16:9 aspect ratio for video previews */
        background-color: #000000;
    }
    
    .case-image {
        filter: none !important; /* Render full colorful previews on mobile touchscreens */
        object-fit: cover !important; /* Cover container edge-to-edge to eliminate black bars */
    }
    
    .case-info-block {
        gap: 16px;
        padding-top: 0;
    }
    
    .case-info-cta {
        margin-top: 1rem;
    }
    
    .cases-footer {
        margin-top: 20px;
    }
    
    .cases-footer-grid {
        grid-template-columns: 1fr;
        gap: 2.2rem;
        text-align: left;
    }

    /* Mobile Process Overrides */
    .process-section {
        padding: 120px 0;
    }
    
    .process-container {
        padding: 0 var(--padding-mobile);
    }
    
    .process-header {
        margin-bottom: 80px;
    }
    
    .process-header-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .process-title {
        font-size: clamp(32px, 8.5vw, 44px) !important;
        line-height: 0.95;
    }
    
    .process-description {
        max-width: 100%;
    }
    
    .process-timeline {
        height: auto;
        margin-top: 0;
        padding-left: 0.5rem;
        display: block;
    }
    
    .process-timeline-line {
        width: 1px;
        height: 100%;
        left: 11px; /* Center perfectly behind 12px square markers (5px left offset + 6px center) */
        top: 0;
        transform: scaleY(0);
        transform-origin: top;
        transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
    }
    
    /* Scroll reveal triggers scaleY instead of scaleX on mobile vertical line */
    .process-section.animate .process-timeline-line {
        transform: scaleY(1);
    }
    
    .process-timeline-steps {
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        gap: 64px;
    }
    
    .process-step {
        flex-direction: row;
        justify-content: flex-start;
        align-items: flex-start;
        width: 100%;
        padding: 0;
    }
    
    .process-step-number {
        display: none; /* Hide desktop absolute centered index */
    }
    
    .process-marker {
        margin-top: 4px; /* Slightly offset square down to align with vertical center of number line */
        flex-shrink: 0;
    }
    
    .process-step-content {
        position: static;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        margin-left: 24px; /* Gap ~24px to the right of the marker */
    }
    
    .process-step-mob-number {
        display: block; /* Show mobile-specific stacked index */
        font-size: 10px;
        font-weight: 500;
        text-transform: uppercase;
        letter-spacing: 0.2em;
        color: var(--color-white);
        opacity: 0;
        transform: translateY(8px);
        transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                    transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        will-change: opacity, transform;
        margin-bottom: 0.5rem;
    }
    
    .process-step-name {
        font-size: 12px; /* Scaled down to match section descriptive text grids and fit comfortably */
        text-align: left;
        white-space: normal;
        margin-top: 0;
    }

    .process-step.animate-step .process-step-mob-number {
        opacity: 0.50;
        transform: translateY(0);
    }
    
    .process-footer {
        margin-top: 80px;
        justify-content: flex-start; /* Left-align the single CTA button on mobile stack */
    }

    /* Seção 7 Mobile Overrides */
    .about-section {
        padding: 96px 0;
    }

    .about-header {
        margin-bottom: 80px;
    }

    .about-header-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .about-title {
        font-size: clamp(26px, 7.5vw, 34px) !important;
        line-height: 1.0;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .about-header-right {
        align-items: flex-start;
        text-align: left;
    }

    .about-description {
        font-size: 13px;
        line-height: 1.4;
        max-width: 100%;
        text-align: left;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .about-pilar:not(:last-child)::before {
        content: '';
        position: absolute;
        bottom: -25px; /* Center of 50px gap */
        left: 24px;
        right: 24px;
        height: 1px;
        background-color: rgba(0, 0, 0, 0.15);
        transform: scaleX(0);
        transform-origin: center;
        transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        will-change: transform;
    }
    .about-section.animate .about-pilar:not(:last-child)::before {
        transform: scaleX(1);
    }

    .about-glyph {
        width: 48px;
        height: 48px;
        margin-bottom: 24px;
    }

    .about-pilar-number {
        margin-bottom: 8px;
    }

    .about-pilar-title {
        margin-bottom: 12px;
    }

    .about-footer {
        margin-top: 80px;
    }

    .about-footer-grid {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }

    /* Seção 8 Mobile Overrides */
    .faq-section {
        padding: 96px 0;
    }

    .faq-header {
        margin-bottom: 80px;
    }

    .faq-header-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .faq-title {
        font-size: clamp(26px, 7.5vw, 34px) !important;
        line-height: 1.0;
        word-break: keep-all;
        overflow-wrap: break-word;
    }

    .faq-header-right {
        align-items: flex-start;
        text-align: left;
    }

    .faq-description {
        font-size: 13px;
        line-height: 1.4;
        max-width: 100%;
        margin-bottom: 1rem;
        word-break: keep-all;
        overflow-wrap: break-word;
        text-align: left;
    }

    .faq-trigger {
        display: block;
        position: relative;
        padding: 24px 0;
    }

    .faq-number {
        display: block;
        margin-bottom: 0.5rem;
        padding-top: 0;
    }

    .faq-question {
        display: block;
        padding-right: 40px; /* Space for icon */
    }

    .faq-icon {
        position: absolute;
        right: 0;
        top: 24px;
    }
    .faq-panel-content {
        padding-left: 0;
        padding-right: 0;
        padding-bottom: 24px;
    }

    /* Seção 9 Mobile Overrides */
    .contact-section {
        padding: 120px 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem;
        position: static;
        left: 0;
        max-width: 100%;
    }

    .contact-title {
        font-size: clamp(32px, 8.5vw, 44px) !important;
        line-height: 0.95;
        margin-bottom: 24px;
    }

    .contact-subheadline {
        font-size: 13px;
        line-height: 1.45;
        max-width: 100%;
        margin-bottom: 48px;
    }

    .btn-submit {
        padding: 20px 24px;
    }
}

/* =============================================================
   10. Acessibilidade: prefers-reduced-motion
============================================================= */
@media (prefers-reduced-motion: reduce) {
    .hero-section {
        position: relative !important;
        height: auto !important;
    }
    
    .manifesto-section {
        position: relative !important;
        margin-top: 0 !important; /* Reverts stack spacing */
        border-top-left-radius: 0 !important;
        border-top-right-radius: 0 !important;
        box-shadow: none !important;
    }
}