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

:root {
    --yellow: #F5C100;
    --yellow-dark: #D4A700;
    --yellow-glow: rgba(245,193,0,0.25);
    --black: #0A0A0A;
    --black-2: #111111;
    --black-3: #1A1A1A;
    --gray-dark: #2A2A2A;
    --gray-mid: #444444;
    --gray-light: #888888;
    --gray-soft: #CCCCCC;
    --white: #F5F5F0;
    --font-display: 'Barlow Condensed', sans-serif;
    --font-body: 'Barlow', sans-serif;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-yellow: 0 0 30px rgba(245,193,0,0.3);
}

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

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

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--black-2); }
::-webkit-scrollbar-thumb { background: var(--yellow); border-radius: 3px; }

/* ==============================
    UTILITIES
============================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    align-items: center;
}

.section-label {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--yellow);
    display: inline-block;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(2rem, 5vw, 3.2rem);
    line-height: 1.05;
    text-transform: uppercase;
    color: var(--white);
}

.section-title span {
    color: var(--yellow);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 14px 32px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.1);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}
.btn:hover::after { transform: translateX(0); }

.btn-primary {
    background: var(--yellow);
    color: var(--black);
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}
.btn-primary:hover {
    background: var(--yellow-dark);
    box-shadow: var(--shadow-yellow);
}

.btn-outline {
    background: transparent;
    color: var(--yellow);
    border: 2px solid var(--yellow);
}
.btn-outline:hover {
    background: var(--yellow);
    color: var(--black);
}

.btn-whatsapp {
    background: #25D366;
    color: #fff;
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}
.btn-whatsapp:hover {
    background: #1db954;
    box-shadow: 0 0 25px rgba(37,211,102,0.4);
}

/* ==============================
    HEADER / NAV
============================== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
    padding: 0;
}

#header.scrolled {
    background: rgba(10,10,10,0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(245,193,0,0.2);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-mark {
    width: 46px;
    height: 46px;
    background: var(--yellow);
    clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.logo-mark span {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.2rem;
    color: var(--black);
    letter-spacing: -0.02em;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-text strong {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--white);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.logo-text small {
    font-size: 0.6rem;
    color: var(--gray-light);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-top: 2px;
}

/* Nav links */
nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

nav a {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gray-soft);
    text-decoration: none;
    padding: 8px 14px;
    transition: color var(--transition);
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 14px;
    right: 14px;
    height: 2px;
    background: var(--yellow);
    transform: scaleX(0);
    transition: transform var(--transition);
}

nav a:hover { color: var(--yellow); }
nav a:hover::after { transform: scaleX(1); }

.nav-cta {
    margin-left: 16px;
    font-size: 0.85rem;
    padding: 10px 22px;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--yellow);
    transition: var(--transition);
}

.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile nav */
.mobile-nav {
    display: none;
    flex-direction: column;
    background: var(--black-2);
    border-top: 1px solid rgba(245,193,0,0.2);
    padding: 16px 0;
}

.mobile-nav a {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-soft);
    text-decoration: none;
    padding: 14px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: color var(--transition), background var(--transition);
}

.mobile-nav a:hover {
    color: var(--yellow);
    background: rgba(245,193,0,0.05);
}

.mobile-nav.open { display: flex; }

/* ==============================
    HERO
============================== */
#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Diagonal texture stripes */
.hero-bg {
    position: absolute;
    inset: 0;
    background:
    linear-gradient(135deg, var(--black) 0%, var(--black-3) 50%, #1c1500 100%);
    z-index: 0;
}

/* SVG construction pattern overlay */
.hero-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.04;
    background-image: repeating-linear-gradient(
    45deg,
    var(--yellow) 0,
    var(--yellow) 1px,
    transparent 0,
    transparent 50%
    );
    background-size: 20px 20px;
    z-index: 1;
}

/* Yellow accent bar */
.hero-accent {
    position: absolute;
    top: 0;
    right: 0;
    width: 40vw;
    height: 100%;
    background: linear-gradient(135deg, transparent 40%, rgba(245,193,0,0.06) 100%);
    z-index: 1;
}

/* Big decorative LLC text */
.hero-watermark {
    position: absolute;
    right: -2vw;
    bottom: -4vw;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(8rem, 20vw, 22rem);
    color: transparent;
    -webkit-text-stroke: 1px rgba(245,193,0,0.08);
    line-height: 1;
    user-select: none;
    z-index: 1;
    letter-spacing: -0.04em;
}

/* Excavator SVG illustration */
.hero-machine {
    position: absolute;
    right: -20px;
    bottom: 0;
    width: clamp(320px, 50vw, 680px);
    z-index: 2;
    opacity: 0.85;
    filter: drop-shadow(-30px 0 60px rgba(245,193,0,0.15));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding-top: 80px;
    margin: 0 auto;

    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center; 
}

.hero-content img {
    width: 100%;
    max-width: 450px; /* 👈 controla o tamanho máximo */
    height: auto;
    padding: 30px 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(245,193,0,0.12);
    border: 1px solid rgba(245,193,0,0.3);
    padding: 6px 16px;
    margin-bottom: 28px;
}

.hero-badge span {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--yellow);
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--yellow);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.4); }
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(2.8rem, 6vw, 5.5rem);
    line-height: 0.95;
    text-transform: uppercase;
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

.hero-title .line-yellow { color: var(--yellow); display: block; }
.hero-title .line-white { color: var(--white); display: block; }
.hero-title .line-stroke {
    display: block;
    color: transparent;
    -webkit-text-stroke: 2px var(--white);
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--gray-light);
    margin-bottom: 40px;
    max-width: 480px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 56px;
    justify-content: center;
}

.hero-stats {
    display: flex;
    gap: 36px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 2.2rem;
    color: var(--yellow);
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--gray-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 4px;
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.hero-scroll span {
    font-family: var(--font-display);
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gray-light);
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--yellow), transparent);
    animation: scrollDown 1.8s infinite;
}

@keyframes scrollDown {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ==============================
    TICKER / MARQUEE BAR
============================== */
.ticker-bar {
    background: var(--yellow);
    padding: 12px 0;
    overflow: hidden;
}

.ticker-track {
    display: flex;
    gap: 0;
    animation: ticker 25s linear infinite;
    white-space: nowrap;
}

.ticker-track:hover { animation-play-state: paused; }

.ticker-item {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--black);
    padding: 0 32px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.ticker-item::before {
    content: '◆';
    font-size: 0.5rem;
    color: var(--black-3);
}

@keyframes ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ==============================
    SERVICES
============================== */
#servicos {
    padding: 120px 0;
    background: var(--black-2);
    position: relative;
}

#servicos::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--yellow), transparent);
}

.section-header {
    margin-bottom: 64px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2px;
}

.service-card {
    background: var(--black-3);
    padding: 40px 32px;
    position: relative;
    overflow: hidden;
    cursor: default;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.service-card:hover {
    background: var(--gray-dark);
    border-bottom-color: var(--yellow);
    transform: translateY(-4px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--yellow);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.service-card:hover::before { transform: scaleX(1); }

.service-number {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 4rem;
    color: rgba(245,193,0,0.07);
    position: absolute;
    top: 16px;
    right: 20px;
    line-height: 1;
    transition: color var(--transition);
}

.service-card:hover .service-number {
    color: rgba(245,193,0,0.15);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(245,193,0,0.1);
    border: 1px solid rgba(245,193,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 1.6rem;
    transition: var(--transition);
    clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.service-card:hover .service-icon {
    background: var(--yellow);
    border-color: var(--yellow);
}

.service-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.4rem;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 12px;
    letter-spacing: 0.03em;
}

.service-desc {
    font-size: 0.9rem;
    color: var(--gray-light);
    line-height: 1.7;
}

/* ==============================
    SOBRE
============================== */
#sobre {
    padding: 120px 0;
    background: var(--black);
}

.sobre-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.sobre-image-block {
    position: relative;
}

.sobre-img-main {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--black-3);
    position: relative;
    overflow: hidden;
}

/* Placeholder image — construction site visual */
.sobre-img-main svg {
    width: 100%;
    height: 100%;
}

.sobre-img-accent {
    position: absolute;
    bottom: -24px;
    width: 40%;
    aspect-ratio: 1;
    background: var(--yellow);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    border-radius: 20px 20px 60px;
}

.sobre-img-accent strong {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 3.5rem;
    color: var(--black);
    line-height: 1;
}

.sobre-img-accent span {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--black-3);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.sobre-content p {
    color: var(--gray-light);
    font-size: 0.98rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.sobre-content p:first-of-type {
    font-size: 1.08rem;
    color: var(--gray-soft);
}

.sobre-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 32px;
}

.tag {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 6px 14px;
    border: 1px solid rgba(245,193,0,0.3);
    color: var(--yellow);
    transition: var(--transition);
}

.tag:hover {
    background: rgba(245,193,0,0.1);
}

/* ==============================
    GALERIA DE OBRAS
============================== */
#galeria {
    padding: 120px 0;
    background: var(--black-2);
    position: relative;
}

#galeria::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--yellow), transparent);
}

/* Filter tabs */
.gallery-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 40px;
    margin-bottom: 40px;
}

.filter-btn {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 8px 20px;
    border: 1px solid rgba(255,255,255,0.12);
    background: transparent;
    color: var(--gray-light);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--yellow);
    border-color: var(--yellow);
    color: var(--black);
}

/* Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    align-items: stretch;
}

/* Item */
.gallery-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: var(--black-3);
    width: 100%;
    border-radius: 4px;
}

.gallery-item-inner {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

/* Featured first image */
.gallery-item:first-child {
    grid-column: span 2;
    grid-row: span 2;
    height: 520px;
}

/* Other images */
.gallery-item:not(:first-child) {
    height: 260px;
}

/* Image */
.gallery-item img,
.gallery-item svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.7s ease, filter 0.5s ease;
}

.gallery-item:hover img,
.gallery-item:hover svg {
    transform: scale(1.08);
    filter: brightness(0.75);
}

/* Overlay */
.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0,0,0,0.88) 0%,
        rgba(0,0,0,0.15) 50%,
        rgba(0,0,0,0) 100%
    );
    opacity: 0;
    transition: opacity var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    pointer-events: none;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay-tag {
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--yellow);
    margin-bottom: 8px;
}

.gallery-overlay-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.15rem;
    text-transform: uppercase;
    color: var(--white);
    line-height: 1.2;
}

/* Upload hint card */
.gallery-upload-hint {
    background: rgba(245,193,0,0.04);
    border: 2px dashed rgba(245,193,0,0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 32px;
    text-align: center;
    min-height: 180px;
}

.gallery-upload-hint span {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(245,193,0,0.4);
}

.gallery-upload-hint .upload-icon {
    font-size: 2rem;
    opacity: 0.3;
}

.gallery-more {
    min-height: 260px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 18px;

    background:
        linear-gradient(
            135deg,
            rgba(245,193,0,0.14),
            rgba(245,193,0,0.04)
        );

    border: 2px dashed rgba(245,193,0,0.25);

    cursor: pointer;

    transition: 0.35s ease;
}

.gallery-more:hover {
    transform: scale(0.98);
    background:
        linear-gradient(
            135deg,
            rgba(245,193,0,0.22),
            rgba(245,193,0,0.08)
        );
}

.gallery-more span {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--yellow);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 3000;
    background: rgba(0,0,0,0.94);
    backdrop-filter: blur(6px);
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.lightbox.open {
    display: flex;
}

.lightbox-inner {
    position: relative;
    max-width: 1200px;
    width: 100%;
}

.lightbox-inner img {
    width: 100%;
    max-height: 85vh;
    object-fit: contain;
    display: block;
    border-radius: 6px;
}

.lightbox-close {
    position: absolute;
    top: -55px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.lightbox-close:hover {
    opacity: 1;
}

.lightbox-caption {
    margin-top: 18px;
    text-align: center;
}

.lightbox-caption strong {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.1rem;
    text-transform: uppercase;
    color: var(--white);
}

.lightbox-caption span {
    display: block;
    margin-top: 4px;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--yellow);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(245,193,0,0.12);
    border: 1px solid rgba(245,193,0,0.3);
    color: var(--yellow);
    font-size: 1.4rem;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-nav:hover {
    background: var(--yellow);
    color: var(--black);
}

.lightbox-prev {
    left: -70px;
}

.lightbox-next {
    right: -70px;
}

/* Responsive */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-item:first-child {
        grid-column: span 2;
        height: 320px;
    }

    .gallery-item:not(:first-child) {
        height: 220px;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-item:first-child {
        grid-column: span 1;
        height: 260px;
    }

    .gallery-item {
        height: 240px !important;
    }

    .gallery-overlay {
        opacity: 1;
    }

    .lightbox {
        padding: 15px;
    }

    .lightbox-close {
        top: -45px;
        font-size: 2rem;
    }
}

/* ==============================
    DIFERENCIAIS
============================== */
#diferenciais {
    padding: 120px 0;
    background: var(--black);
}

.diff-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 80px;
    align-items: start;
}

.diff-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 48px;
}

.diff-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 28px;
    background: var(--black-3);
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.diff-item:hover {
    background: var(--gray-dark);
    border-left-color: var(--yellow);
}

.diff-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    background: rgba(245,193,0,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
}

.diff-text h3 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.15rem;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 6px;
}

.diff-text p {
    font-size: 0.88rem;
    color: var(--gray-light);
    line-height: 1.65;
}

/* Numbers panel */
.diff-numbers {
    position: sticky;
    top: 100px;
}

.diff-numbers-inner {
    background: var(--yellow);
    padding: 48px 40px;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.diff-numbers h3 {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.5rem;
    text-transform: uppercase;
    color: var(--black);
    margin-bottom: 36px;
    line-height: 1.2;
}

.number-stat {
    padding: 20px 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.number-stat:last-child { border-bottom: none; }

.number-stat .n {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 3rem;
    color: var(--black);
    line-height: 1;
}

.number-stat .l {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--black-3);
    margin-top: 4px;
}

/* ==============================
    CONTACT
============================== */
#contato {
    padding: 120px 0;
    background: var(--black-2);
    position: relative;
}

#contato::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--yellow), transparent);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 56px;
}

.contact-form-wrapper {
    background: var(--black-3);
    padding: 48px 40px;
    border-top: 3px solid var(--yellow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--yellow);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.95rem;
    padding: 14px 18px;
    transition: border-color var(--transition), background var(--transition);
    outline: none;
    appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--yellow);
    background: rgba(245,193,0,0.04);
}

.form-group textarea {
    resize: vertical;
    min-height: 130px;
}

.form-group select option {
    background: var(--black-3);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-success {
    display: none;
    background: rgba(37,211,102,0.1);
    border: 1px solid rgba(37,211,102,0.3);
    padding: 16px;
    margin-top: 16px;
    color: #25D366;
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

/* Contact info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-intro {
    color: var(--gray-light);
    font-size: 0.98rem;
    line-height: 1.8;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--black-3);
    border-left: 3px solid var(--yellow);
    transition: var(--transition);
}

.contact-item:hover {
    background: var(--gray-dark);
}

.contact-item-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}

.contact-item-text strong {
    display: block;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--yellow);
    margin-bottom: 2px;
}

.contact-item-text span {
    color: var(--gray-soft);
    font-size: 0.9rem;
}

.map-wrapper {
    height: 220px;
    background: var(--black-3);
    overflow: hidden;
    position: relative;
}

.map-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: invert(1) hue-rotate(180deg) saturate(0.8);
    opacity: 0.85;
}

.whatsapp-banner {
    background: linear-gradient(135deg, #1a2e1e, #0f1f12);
    border: 1px solid rgba(37,211,102,0.25);
    padding: 28px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.whatsapp-banner p {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
    color: var(--white);
}

.whatsapp-banner small {
    display: block;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.8rem;
    text-transform: none;
    color: rgba(37,211,102,0.7);
    margin-top: 4px;
}

/* ==============================
    FOOTER
============================== */
footer {
    background: var(--black);
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-brand p {
    font-size: 0.88rem;
    color: var(--gray-light);
    line-height: 1.7;
    margin-top: 16px;
    max-width: 300px;
}

.footer-socials {
    display: flex;
    gap: 10px;
    margin-top: 24px;
}

.social-btn {
    width: 38px;
    height: 38px;
    background: var(--gray-dark);
    border: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-soft);
    text-decoration: none;
    font-size: 1rem;
    transition: var(--transition);
    clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
}

.social-btn:hover {
    background: var(--yellow);
    color: var(--black);
    border-color: var(--yellow);
}

.footer-col h4 {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--yellow);
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.88rem;
    color: var(--gray-light);
    text-decoration: none;
    transition: color var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a::before {
    content: '→';
    color: var(--yellow);
    font-size: 0.75rem;
}

.footer-links a:hover { color: var(--white); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--gray-mid);
}

.footer-bottom a {
    color: var(--yellow);
    text-decoration: none;
}

/* ==============================
    FLOATING WHATSAPP
============================== */
.fab-whatsapp {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 32px rgba(37,211,102,0.5);
    text-decoration: none;
    transition: var(--transition);
    animation: fabPulse 3s infinite;
}

.fab-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 40px rgba(37,211,102,0.7);
}

.fab-whatsapp svg {
    width: 28px;
    height: 28px;
    fill: #fff;
}

@keyframes fabPulse {
    0%, 100% { box-shadow: 0 8px 32px rgba(37,211,102,0.5); }
    50% { box-shadow: 0 8px 48px rgba(37,211,102,0.8), 0 0 0 8px rgba(37,211,102,0.1); }
}

/* ==============================
    SCROLL REVEAL ANIMATIONS
============================== */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.delay-1 { transition-delay: 0.1s !important; }
.delay-2 { transition-delay: 0.2s !important; }
.delay-3 { transition-delay: 0.3s !important; }
.delay-4 { transition-delay: 0.4s !important; }

/* ==============================
    RESPONSIVE
============================== */
@media (max-width: 960px) {
    nav { display: none; }
    .hamburger { display: flex; }
    .sobre-grid,
    .diff-grid,
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero-machine { opacity: 0.15; width: 100%; right: 0; }
    .diff-numbers { position: static; }
}

@media (max-width: 640px) {
    .hero-title { font-size: 2.6rem; }
    .hero-stats { gap: 24px; }
    .footer-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .whatsapp-banner { flex-direction: column; align-items: flex-start; }
}