/* =========================================================
   MG ENGENHARIA — Site Institucional One Page
   Identidade: Industrial Premium • Tecnológico • Sofisticado
   ========================================================= */

:root {
    --c-blue:      #015db2;
    --c-blue-dark: #01234a;
    --c-blue-deep: #010f24;
    --c-neon:      #38bdf8;
    --c-cyan:      #22d3ee;
    --c-white:     #ffffff;
    --c-ink:       #0d1117;
    --c-ink-soft:  #11161f;
    --c-mute:      #8b95a7;
    --c-line:      rgba(255,255,255,0.08);
    --c-line-2:    rgba(255,255,255,0.14);
    --c-glow:      rgba(1,93,178,0.45);

    --shadow-card: 0 18px 60px -25px rgba(1,93,178,0.45),
                   0 6px 20px -10px rgba(0,0,0,0.6);

    --radius-sm: 10px;
    --radius:    16px;
    --radius-lg: 22px;

    --container: 1240px;
    --header-h:  88px;

    --font-display: 'Rajdhani', 'Montserrat', sans-serif;
    --font-body:    'Inter', 'Poppins', system-ui, sans-serif;
    --font-tech:    'Orbitron', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
    font-family: var(--font-body);
    background: var(--c-ink);
    color: #e6eaf2;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s ease; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 28px; }
.text-accent {
    background: linear-gradient(90deg, #38bdf8 0%, #015db2 60%, #38bdf8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.eyebrow {
    display: inline-block;
    font-family: var(--font-tech);
    font-size: .75rem;
    letter-spacing: .25em;
    text-transform: uppercase;
    color: var(--c-neon);
    margin-bottom: 14px;
}
.section-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.9rem, 3.8vw, 2.85rem);
    line-height: 1.1;
    letter-spacing: -.01em;
    color: #fff;
}
.section-lead {
    color: var(--c-mute);
    max-width: 720px;
    margin-top: 18px;
    font-size: 1.02rem;
}
.section { padding: 110px 0; position: relative; }
.section-head { text-align: center; margin-bottom: 64px; max-width: 860px; margin-left:auto; margin-right:auto; }

/* =================== BUTTONS =================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 26px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: .98rem;
    letter-spacing: .04em;
    text-transform: uppercase;
    border-radius: 999px;
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
    border: 1.5px solid transparent;
    white-space: nowrap;
}
.btn-sm { padding: 10px 18px; font-size: .82rem; }
.btn-primary {
    background: linear-gradient(135deg, var(--c-blue) 0%, #0284c7 100%);
    color: #fff;
    box-shadow: 0 14px 30px -10px var(--c-glow), inset 0 0 0 1px rgba(255,255,255,.1);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -12px var(--c-glow), 0 0 0 4px rgba(56,189,248,.15); }
.btn-ghost {
    background: rgba(255,255,255,0.04);
    color: #fff;
    border-color: var(--c-line-2);
    backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(56,189,248,0.12); border-color: var(--c-neon); color: #fff; }
.btn-outline {
    border-color: var(--c-neon);
    color: var(--c-neon);
    background: transparent;
}
.btn-outline:hover { background: var(--c-neon); color: var(--c-ink); }
.btn-block { width: 100%; justify-content: center; }

/* =================== HEADER =================== */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: var(--header-h);
    transition: background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
    border-bottom: 1px solid transparent;
}
.site-header.scrolled {
    background: rgba(13,17,23,.82);
    backdrop-filter: blur(14px);
    border-color: var(--c-line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 24px; }
.brand img {
    height: 64px;
    width: auto;
    max-width: 280px;
    object-fit: contain;
    filter: drop-shadow(0 0 14px rgba(56,189,248,.55)) drop-shadow(0 2px 6px rgba(0,0,0,.5));
    transition: filter .3s ease, transform .3s ease;
}
.brand:hover img {
    filter: drop-shadow(0 0 22px rgba(56,189,248,.9)) drop-shadow(0 2px 6px rgba(0,0,0,.5));
    transform: scale(1.05);
}
.nav-desktop { display: flex; gap: 30px; align-items: center; }
.nav-desktop a {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: .95rem;
    color: #cfd6e4;
    letter-spacing: .03em;
    position: relative;
}
.nav-desktop a::after {
    content: ''; position: absolute; left: 0; bottom: -6px;
    width: 0; height: 2px;
    background: linear-gradient(90deg, var(--c-neon), var(--c-blue));
    transition: width .25s ease;
}
.nav-desktop a:hover { color: #fff; }
.nav-desktop a:hover::after { width: 100%; }
.nav-cta { margin-left: 8px; }

.burger { display: none; width: 42px; height: 42px; flex-direction: column; gap: 5px; align-items: center; justify-content: center; border-radius: 10px; border: 1px solid var(--c-line); }
.burger span { width: 22px; height: 2px; background: #fff; transition: transform .25s, opacity .25s; }
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    background: rgba(13,17,23,.96);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--c-line);
    padding: 18px 28px 28px;
    display: none; flex-direction: column; gap: 14px;
    transform: translateY(-12px);
    opacity: 0;
    transition: opacity .25s, transform .25s;
}
.nav-mobile.open { display: flex; opacity: 1; transform: translateY(0); }
.nav-mobile a { font-family: var(--font-display); font-size: 1.1rem; padding: 12px 0; border-bottom: 1px solid var(--c-line); }
.nav-mobile .mobile-wa { color: #25D366; }

/* =================== HERO =================== */
.hero {
    position: relative;
    min-height: 100vh;
    padding: calc(var(--header-h) + 80px) 0 90px;
    background: radial-gradient(ellipse at 20% 20%, #01234a 0%, transparent 60%),
                radial-gradient(ellipse at 80% 80%, #013a73 0%, transparent 55%),
                var(--c-ink);
    overflow: hidden;
    display: flex; align-items: center;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.grid-overlay {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(56,189,248,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(56,189,248,.05) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, #000 35%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 35%, transparent 75%);
}
.glow { position: absolute; border-radius: 50%; filter: blur(120px); opacity: .6; }
.glow-1 { width: 520px; height: 520px; background: #015db2; top: -120px; left: -100px; animation: float1 12s ease-in-out infinite; }
.glow-2 { width: 420px; height: 420px; background: #0ea5e9; bottom: -100px; right: -80px; animation: float2 14s ease-in-out infinite; }
@keyframes float1 { 50% { transform: translate(40px, 60px); } }
@keyframes float2 { 50% { transform: translate(-50px, -40px); } }
.particles { position: absolute; inset: 0; }
.particle { position: absolute; width: 4px; height: 4px; background: var(--c-neon); border-radius: 50%; opacity: .5; box-shadow: 0 0 12px var(--c-neon); animation: rise linear infinite; }
@keyframes rise { from { transform: translateY(0); opacity: 0; } 10% { opacity: .7; } 90% { opacity: .7; } to { transform: translateY(-110vh); opacity: 0; } }

.hero-content { position: relative; z-index: 2; max-width: 980px; }
.hero-tag {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 8px 16px;
    border: 1px solid var(--c-line-2);
    border-radius: 999px;
    background: rgba(255,255,255,.03);
    backdrop-filter: blur(10px);
    font-family: var(--font-tech);
    font-size: .72rem;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: #cfe7ff;
    margin-bottom: 28px;
}
.hero-tag .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-neon); box-shadow: 0 0 10px var(--c-neon); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { transform: scale(1.4); opacity: .6; } }

.hero-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2.5rem, 6.5vw, 5rem);
    line-height: 1.02;
    letter-spacing: -.02em;
    color: #fff;
    margin-bottom: 22px;
    text-shadow: 0 4px 30px rgba(1,93,178,.35);
}
.hero-sub { max-width: 680px; font-size: 1.12rem; color: #b8c2d4; margin-bottom: 36px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 60px; }

.hero-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    padding-top: 32px;
    border-top: 1px solid var(--c-line);
}
.hero-strip > div { display: flex; flex-direction: column; }
.hero-strip span { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; color: #fff; line-height: 1; }
.hero-strip small { color: var(--c-mute); font-size: .8rem; margin-top: 6px; text-transform: uppercase; letter-spacing: .12em; }

.scroll-indicator {
    position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
    width: 40px; height: 40px;
    border: 1px solid var(--c-line-2);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--c-neon);
    animation: bounce 2.4s infinite;
}
@keyframes bounce { 50% { transform: translate(-50%, 10px); } }

/* =================== ABOUT =================== */
.section-about { background: linear-gradient(180deg, var(--c-ink) 0%, var(--c-ink-soft) 100%); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.lead { color: #cfd6e4; font-size: 1.05rem; margin: 20px 0 36px; }
.mvv { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-bottom: 36px; }
.mvv-card {
    background: rgba(255,255,255,.03);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: 22px;
    transition: transform .3s ease, border-color .3s ease, background .3s ease;
}
.mvv-card:hover { transform: translateY(-4px); border-color: rgba(56,189,248,.4); background: rgba(56,189,248,.04); }
.mvv-card i { font-size: 1.4rem; color: var(--c-neon); margin-bottom: 12px; }
.mvv-card h4 { font-family: var(--font-display); font-size: 1.1rem; color: #fff; margin-bottom: 8px; letter-spacing: .02em; }
.mvv-card p, .mvv-card li { color: #aab4c5; font-size: .9rem; }
.values-list { list-style: none; display: grid; gap: 6px; margin-top: 4px; }
.values-list i { color: var(--c-neon); margin-right: 8px; font-size: .8rem; }

.about-visual { position: relative; }
.visual-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--c-line-2);
    box-shadow: var(--shadow-card);
    aspect-ratio: 4 / 5;
}
.visual-frame img { width: 100%; height: 100%; object-fit: cover; filter: contrast(1.05) saturate(.9); }
.visual-frame::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(1,35,74,.85) 100%);
}
.visual-badge {
    position: absolute; bottom: 22px; left: 22px; right: 22px;
    background: rgba(13,17,23,.7);
    backdrop-filter: blur(16px);
    border: 1px solid var(--c-line-2);
    border-radius: var(--radius);
    padding: 16px 18px;
    display: flex; align-items: center; gap: 14px;
    z-index: 2;
}
.visual-badge i { font-size: 1.4rem; color: var(--c-neon); }
.visual-badge strong { display: block; font-family: var(--font-display); color: #fff; font-size: 1.05rem; }
.visual-badge small { color: #aab4c5; font-size: .82rem; }
.visual-grid {
    position: absolute; top: -1px; right: -1px; width: 120px; height: 120px;
    background: linear-gradient(135deg, var(--c-neon), transparent 70%);
    opacity: .2;
    border-top-right-radius: var(--radius-lg);
    pointer-events: none;
}

/* =================== SERVICES =================== */
.section-services { background: var(--c-ink); position: relative; }
.section-services::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--c-neon), transparent);
    opacity: .25;
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 22px;
}
.service-card {
    position: relative;
    background: linear-gradient(180deg, rgba(255,255,255,.025) 0%, rgba(255,255,255,.01) 100%);
    border: 1px solid var(--c-line);
    border-radius: var(--radius-lg);
    padding: 0 0 26px;
    transition: transform .35s ease, border-color .35s ease, background .35s ease;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--c-neon), transparent);
    opacity: 0; transition: opacity .3s; z-index: 3;
}
.service-card:hover { transform: translateY(-6px); border-color: rgba(56,189,248,.45); background: linear-gradient(180deg, rgba(1,93,178,.08) 0%, rgba(255,255,255,.01) 100%); }
.service-card:hover::before { opacity: 1; }

.service-image {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
    background: var(--c-blue-deep);
}
.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s cubic-bezier(.2,.8,.2,1), filter .4s ease;
    filter: brightness(.85) saturate(1.05);
}
.service-card:hover .service-image img { transform: scale(1.08); filter: brightness(1) saturate(1.15); }
.service-image::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(13,17,23,.85) 100%);
}
.service-image .service-icon {
    position: absolute;
    bottom: -22px;
    left: 22px;
    z-index: 2;
    margin: 0;
    width: 56px; height: 56px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(1,93,178,.95), rgba(2,132,199,.95));
    border: 1px solid rgba(56,189,248,.55);
    color: #fff;
    font-size: 1.4rem;
    box-shadow: 0 8px 24px -6px rgba(0,0,0,.5), 0 0 0 4px rgba(13,17,23,.6);
    transition: transform .35s ease;
}
.service-card:hover .service-icon { transform: rotate(-6deg) scale(1.08); }
.service-card h3 { font-family: var(--font-display); font-size: 1.18rem; color: #fff; margin: 38px 26px 10px; letter-spacing: .01em; }
.service-card p { color: #aab4c5; font-size: .92rem; margin: 0 26px 18px; flex: 1; }
.service-cta {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-display);
    font-size: .85rem;
    color: var(--c-neon);
    text-transform: uppercase;
    letter-spacing: .12em;
    transition: gap .25s;
    margin: 0 26px;
}
.service-cta:hover { gap: 14px; color: #fff; }
.card-edge {
    position: absolute; bottom: 0; right: 0;
    width: 80px; height: 80px;
    background: radial-gradient(circle at bottom right, rgba(56,189,248,.15), transparent 70%);
    pointer-events: none;
}

/* =================== GALLERY (Carrossel + Lightbox) =================== */
.section-gallery { background: linear-gradient(180deg, #060a12 0%, var(--c-ink) 100%); position: relative; overflow: hidden; }
.section-gallery::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--c-neon), transparent);
    opacity: .25;
}
.gallery-carousel { position: relative; max-width: 1240px; margin: 0 auto; }
.gallery-viewport {
    overflow: hidden;
    border-radius: var(--radius-lg);
}
.gallery-track { display: flex; transition: transform .6s cubic-bezier(.4,.0,.2,1); will-change: transform; }
.gallery-slide { flex: 0 0 33.3333%; padding: 0 10px; box-sizing: border-box; }
.gallery-item {
    position: relative;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: zoom-in;
    background: var(--c-blue-deep);
    border: 1px solid var(--c-line);
    transition: transform .4s ease, border-color .4s ease, box-shadow .4s ease;
}
.gallery-item:hover {
    transform: translateY(-6px);
    border-color: rgba(56,189,248,.5);
    box-shadow: 0 20px 50px -15px rgba(56,189,248,.4);
}
.gallery-item img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .6s cubic-bezier(.2,.8,.2,1), filter .4s;
    filter: brightness(.9) saturate(1.05);
}
.gallery-item:hover img { transform: scale(1.08); filter: brightness(1) saturate(1.15); }
.gallery-item::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(1,15,36,.92) 100%);
    pointer-events: none;
}
.gallery-caption {
    position: absolute; left: 18px; right: 18px; bottom: 16px; z-index: 2;
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.gallery-caption strong {
    font-family: var(--font-display); color: #fff; font-size: 1.02rem; letter-spacing: .02em;
    text-shadow: 0 2px 8px rgba(0,0,0,.6);
}
.gallery-caption .zoom-icon {
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(56,189,248,.95); color: var(--c-ink);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; font-size: .85rem;
    box-shadow: 0 6px 16px -4px rgba(56,189,248,.55);
}
.gallery-controls { display: flex; justify-content: center; align-items: center; gap: 18px; margin-top: 32px; }
.gallery-arrow {
    width: 52px; height: 52px; border-radius: 50%;
    background: rgba(255,255,255,.04); border: 1px solid var(--c-line-2); color: #fff;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; font-size: 1.1rem; transition: all .25s ease;
}
.gallery-arrow:hover { background: var(--c-neon); color: var(--c-ink); border-color: var(--c-neon); transform: scale(1.06); }
.gallery-arrow:disabled { opacity: .35; cursor: not-allowed; transform: none; }
.gallery-dots { display: flex; gap: 8px; }
.gallery-dots button {
    width: 10px; height: 10px; border-radius: 50%;
    background: rgba(255,255,255,.18); cursor: pointer; border: 0;
    transition: all .25s ease;
}
.gallery-dots button.active {
    background: var(--c-neon); box-shadow: 0 0 10px var(--c-neon); width: 28px; border-radius: 6px;
}
/* Lightbox */
.lightbox {
    position: fixed; inset: 0;
    background: rgba(3,7,15,.94); backdrop-filter: blur(14px);
    display: none; align-items: center; justify-content: center;
    z-index: 200; padding: 60px 20px;
    animation: lbFade .25s ease;
}
@keyframes lbFade { from { opacity: 0; } to { opacity: 1; } }
.lightbox.open { display: flex; }
.lightbox-img {
    max-width: 100%; max-height: 80vh; border-radius: var(--radius);
    box-shadow: 0 30px 80px -20px rgba(56,189,248,.4), 0 0 0 1px rgba(56,189,248,.3);
    user-select: none;
}
.lightbox-caption {
    position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
    font-family: var(--font-display); color: #fff; font-size: 1.05rem;
    padding: 10px 22px; background: rgba(13,17,23,.7); backdrop-filter: blur(10px);
    border: 1px solid var(--c-line-2); border-radius: 999px; letter-spacing: .04em;
    text-align: center; max-width: calc(100% - 40px);
}
.lightbox-close, .lightbox-prev, .lightbox-next {
    position: absolute; width: 52px; height: 52px; border-radius: 50%;
    background: rgba(13,17,23,.7); backdrop-filter: blur(10px);
    border: 1px solid var(--c-line-2); color: #fff;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; font-size: 1.15rem; transition: all .25s ease; z-index: 2;
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover {
    background: var(--c-neon); color: var(--c-ink); border-color: var(--c-neon);
}
.lightbox-close { top: 26px; right: 26px; }
.lightbox-prev  { left: 26px; top: 50%; transform: translateY(-50%); }
.lightbox-next  { right: 26px; top: 50%; transform: translateY(-50%); }
.lightbox-counter {
    position: absolute; top: 32px; left: 32px;
    font-family: var(--font-tech); font-size: .82rem;
    letter-spacing: .15em; color: var(--c-neon);
}

/* =================== CLIENTS =================== */
.section-clients { background: linear-gradient(180deg, var(--c-ink) 0%, #060a12 100%); }
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}
.client-card {
    display: flex; align-items: center; gap: 16px;
    padding: 22px;
    background: rgba(255,255,255,.025);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    transition: transform .3s ease, border-color .3s ease, background .3s ease;
}
.client-card:hover { transform: translateY(-4px); border-color: rgba(56,189,248,.4); background: rgba(56,189,248,.05); }
.client-logo {
    width: 54px; height: 54px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-blue-dark) 100%);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: .04em;
    border: 1px solid rgba(56,189,248,.3);
    box-shadow: 0 6px 20px -8px var(--c-glow);
}
.client-card strong { display: block; font-family: var(--font-display); color: #fff; font-size: 1.05rem; }
.client-card small { color: var(--c-mute); font-size: .82rem; }

/* =================== DIFERENCIAIS =================== */
.section-diff { background: var(--c-blue-deep); position: relative; overflow: hidden; }
.diff-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at 0% 50%, rgba(1,93,178,.4) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 50%, rgba(56,189,248,.18) 0%, transparent 50%);
    pointer-events: none;
}
.diff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
    position: relative;
    z-index: 1;
}
.diff-card {
    position: relative;
    padding: 28px 24px;
    background: rgba(13,17,23,.6);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(56,189,248,.18);
    border-radius: var(--radius);
    transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.diff-card:hover { transform: translateY(-6px); border-color: var(--c-neon); box-shadow: 0 18px 40px -14px rgba(56,189,248,.4); }
.diff-num {
    position: absolute; top: 16px; right: 18px;
    font-family: var(--font-tech);
    font-size: .78rem;
    color: rgba(56,189,248,.5);
    letter-spacing: .15em;
}
.diff-card i { font-size: 1.5rem; color: var(--c-neon); margin-bottom: 16px; }
.diff-card h4 { font-family: var(--font-display); font-size: 1.1rem; color: #fff; margin-bottom: 8px; }
.diff-card p { color: #b3becf; font-size: .9rem; }

/* =================== CONTACT =================== */
.section-contact { background: linear-gradient(180deg, var(--c-ink) 0%, #060a12 100%); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; }
.contact-info { display: flex; flex-direction: column; gap: 22px; }
.info-item { display: flex; gap: 18px; align-items: flex-start; }
.info-item i {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(1,93,178,.3), rgba(56,189,248,.08));
    border: 1px solid rgba(56,189,248,.25);
    color: var(--c-neon);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.info-item strong { display: block; font-family: var(--font-display); color: #fff; font-size: 1.02rem; margin-bottom: 4px; }
.info-item span, .info-item a { color: #aab4c5; font-size: .94rem; line-height: 1.5; }
.info-item a:hover { color: var(--c-neon); }
.socials { display: flex; gap: 12px; }
.socials a {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: rgba(255,255,255,.04);
    border: 1px solid var(--c-line);
    display: flex; align-items: center; justify-content: center;
    transition: all .25s ease;
}
.socials a:hover { background: var(--c-neon); color: var(--c-ink); border-color: var(--c-neon); transform: translateY(-3px); }
.map-wrap {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--c-line-2);
    height: 260px;
    margin-top: 8px;
}
.map-wrap iframe { width: 100%; height: 100%; border: 0; filter: invert(.9) hue-rotate(180deg) saturate(.7); }

.contact-form {
    background: linear-gradient(180deg, rgba(1,35,74,.5) 0%, rgba(13,17,23,.7) 100%);
    border: 1px solid var(--c-line-2);
    border-radius: var(--radius-lg);
    padding: 38px 34px;
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-card);
}
.form-title { font-family: var(--font-display); color: #fff; font-size: 1.55rem; margin-bottom: 6px; }
.form-sub { color: var(--c-mute); margin-bottom: 26px; font-size: .92rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.contact-form label { display: block; }
.contact-form label.full { display: block; margin-bottom: 18px; }
.contact-form span { display: block; font-size: .78rem; color: #aab4c5; margin-bottom: 6px; text-transform: uppercase; letter-spacing: .1em; font-family: var(--font-display); }
.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 13px 16px;
    background: rgba(255,255,255,.04);
    border: 1px solid var(--c-line);
    border-radius: 10px;
    color: #fff;
    font-family: var(--font-body);
    font-size: .96rem;
    transition: border-color .2s, background .2s, box-shadow .2s;
}
.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--c-neon);
    background: rgba(56,189,248,.04);
    box-shadow: 0 0 0 4px rgba(56,189,248,.12);
}
.contact-form textarea { resize: vertical; min-height: 130px; }
.honeypot { position: absolute; left: -9999px; opacity: 0; }
.form-note { display: block; margin-top: 14px; font-size: .76rem; color: var(--c-mute); text-align: center; }
.form-alert {
    padding: 14px 16px;
    border-radius: 10px;
    margin-bottom: 18px;
    font-size: .92rem;
    display: flex; align-items: center; gap: 10px;
}
.form-alert.success { background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.4); color: #86efac; }
.form-alert.error   { background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.4); color: #fca5a5; }

/* =================== FOOTER =================== */
.site-footer { background: #060a12; border-top: 1px solid var(--c-line); padding-top: 60px; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 50px; padding-bottom: 40px; }
.footer-logo { height: 80px; width: auto; max-width: 280px; object-fit: contain; margin-bottom: 18px; filter: drop-shadow(0 0 16px rgba(56,189,248,.5)) drop-shadow(0 2px 6px rgba(0,0,0,.4)); }
.site-footer p { color: var(--c-mute); font-size: .92rem; margin-bottom: 6px; }
.site-footer h5 { font-family: var(--font-display); color: #fff; margin-bottom: 18px; font-size: 1.02rem; letter-spacing: .04em; text-transform: uppercase; }
.site-footer a { display: block; color: #aab4c5; padding: 4px 0; font-size: .92rem; }
.site-footer a:hover { color: var(--c-neon); }
.site-footer i { color: var(--c-neon); margin-right: 8px; }
.footer-socials { display: flex; gap: 10px; margin-top: 12px; }
.footer-socials a {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,.04);
    border: 1px solid var(--c-line);
    display: flex; align-items: center; justify-content: center;
    padding: 0;
}
.footer-socials a:hover { background: var(--c-neon); color: var(--c-ink); }
.footer-socials i { margin: 0; color: inherit; }
.footer-bottom { border-top: 1px solid var(--c-line); padding: 22px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: var(--c-mute); font-size: .82rem; }

/* =================== FLOAT WHATSAPP =================== */
.float-wa {
    position: fixed; bottom: 26px; right: 26px; z-index: 99;
    width: 62px; height: 62px;
    border-radius: 50%;
    background: #25D366;
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 14px 30px -6px rgba(37,211,102,.55);
    transition: transform .3s ease;
}
.float-wa:hover { transform: scale(1.08); }
.float-wa .pulse {
    position: absolute; inset: 0;
    border-radius: 50%;
    border: 2px solid #25D366;
    animation: pulseRing 1.8s infinite;
}
@keyframes pulseRing { 0% { transform: scale(1); opacity: .8; } 100% { transform: scale(1.55); opacity: 0; } }

/* =================== REVEAL =================== */
[data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .8s cubic-bezier(.2,.8,.2,1), transform .8s cubic-bezier(.2,.8,.2,1);
    transition-delay: var(--delay, 0ms);
}
[data-reveal].visible { opacity: 1; transform: translateY(0); }

/* =================== RESPONSIVE =================== */
@media (max-width: 980px) {
    .section { padding: 80px 0; }
    .nav-desktop, .nav-cta { display: none; }
    .burger { display: flex; }
    .grid-2 { grid-template-columns: 1fr; gap: 50px; }
    .mvv { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 36px; }
    .footer-inner { grid-template-columns: 1fr; gap: 36px; }
    .hero-strip { grid-template-columns: repeat(2, 1fr); }
    .gallery-slide { flex: 0 0 50%; }
}
@media (max-width: 560px) {
    .container { padding: 0 20px; }
    .form-row { grid-template-columns: 1fr; }
    .hero { padding-top: calc(var(--header-h) + 40px); }
    .hero-ctas { flex-direction: column; }
    .hero-ctas .btn { width: 100%; justify-content: center; }
    .contact-form { padding: 26px 20px; }
    .float-wa { width: 54px; height: 54px; font-size: 1.5rem; }
    .gallery-slide { flex: 0 0 100%; }
    .lightbox-prev { left: 12px; }
    .lightbox-next { right: 12px; }
    .lightbox-close { top: 16px; right: 16px; }
}

/* Acessibilidade — reduzir motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}