/* ============================================================
   E Tech Eventos — Landing Page
   Tema escuro tech com fundo 3D interativo (particles-3d.js)
   ============================================================ */

:root {
    --bg-0: #020612;
    --bg-1: #081024;
    --bg-2: #0f1a35;
    --panel: rgba(9, 18, 40, 0.62);
    --panel-solid: #0a1430;
    --border: rgba(0, 136, 255, 0.22);
    --border-strong: rgba(0, 136, 255, 0.45);
    --blue: #0088ff;
    --blue-deep: #0066cc;
    --green: #00ff88;
    --text: #eaf2ff;
    --muted: #93a5c4;
    --radius: 18px;
    --shadow: 0 18px 50px rgba(0, 20, 60, 0.45);
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 96px;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    line-height: 1.65;
    color: var(--text);
    background: linear-gradient(135deg, var(--bg-0) 0%, var(--bg-1) 25%, var(--bg-2) 50%, var(--bg-1) 75%, var(--bg-0) 100%);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* ---------- Fundo 3D ---------- */
#bg3d {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

main,
.footer {
    position: relative;
    z-index: 1;
}

/* ---------- Header / Navegação ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(2, 6, 18, 0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.navbar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.6rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo img {
    height: 96px;
    width: auto;
    filter: drop-shadow(0 0 14px rgba(0, 136, 255, 0.45));
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.6rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--muted);
    transition: color var(--transition);
}

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

.nav-cta {
    padding: 0.55rem 1.3rem;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--blue-deep), var(--blue));
    box-shadow: 0 6px 22px rgba(0, 136, 255, 0.35);
    transition: transform var(--transition), box-shadow var(--transition);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(0, 136, 255, 0.5);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 6px;
}

.hamburger span {
    width: 26px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Estrutura de seções ---------- */
.section {
    padding: 6.5rem 2rem;
}

.section-inner {
    max-width: 1150px;
    margin: 0 auto;
}

.section-narrow {
    max-width: 820px;
}

.section-head {
    margin-bottom: 3rem;
    max-width: 720px;
}

.eyebrow {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 0.9rem;
}

h1, h2, h3 {
    line-height: 1.18;
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.8rem, 3.4vw, 2.6rem);
}

.section-sub {
    margin-top: 1rem;
    color: var(--muted);
    font-size: 1.05rem;
}

.grad {
    background: linear-gradient(90deg, var(--blue), var(--green));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ---------- Botões ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.85rem 1.7rem;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--blue-deep), var(--blue));
    box-shadow: 0 8px 26px rgba(0, 136, 255, 0.38);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 34px rgba(0, 136, 255, 0.55);
}

.btn-ghost {
    color: var(--text);
    background: rgba(0, 136, 255, 0.08);
    border: 1px solid var(--border-strong);
}

.btn-ghost:hover {
    background: rgba(0, 136, 255, 0.18);
    transform: translateY(-2px);
}

.btn-line {
    margin-top: auto;
    color: var(--blue);
    background: transparent;
    border: 1px solid var(--border-strong);
    padding: 0.7rem 1.4rem;
}

.btn-line:hover {
    background: rgba(0, 136, 255, 0.12);
    color: var(--text);
}

/* ---------- Cards (base) ---------- */
.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
    transform: translateY(-6px);
    border-color: var(--border-strong);
}

.card-icon {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    font-size: 1.3rem;
    color: #fff;
    background: linear-gradient(135deg, var(--blue-deep), var(--blue));
    box-shadow: 0 8px 22px rgba(0, 136, 255, 0.35);
    margin-bottom: 1.1rem;
}

/* ---------- Hero ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 9rem 2rem 5rem;
    position: relative;
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.45rem 1.1rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--green);
    background: rgba(0, 255, 136, 0.07);
    border: 1px solid rgba(0, 255, 136, 0.3);
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 10px var(--green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

.hero h1 {
    font-size: clamp(2.2rem, 4.6vw, 3.6rem);
    margin-bottom: 1.3rem;
}

.lead {
    font-size: 1.12rem;
    color: var(--muted);
    max-width: 560px;
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.8rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
    max-width: 560px;
}

.stat dt {
    font-size: clamp(1.5rem, 2.6vw, 2.1rem);
    font-weight: 800;
    background: linear-gradient(90deg, var(--blue), var(--green));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat dd {
    font-size: 0.85rem;
    color: var(--muted);
    margin-top: 0.15rem;
}

.hero-visual {
    position: relative;
}

.hero-photo {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow), 0 0 60px rgba(0, 136, 255, 0.18);
    background: var(--panel);
}

.hero-photo img {
    width: 100%;
    height: 380px;
    object-fit: cover;
}

.hero-photo figcaption {
    padding: 1rem 1.3rem;
    font-size: 0.95rem;
    font-style: italic;
    color: var(--muted);
    border-top: 1px solid var(--border);
    background: rgba(2, 6, 18, 0.55);
}

.quality-chip {
    position: absolute;
    top: -18px;
    right: -14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.8rem 1.2rem;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--blue-deep), var(--blue));
    box-shadow: 0 10px 30px rgba(0, 136, 255, 0.5);
    line-height: 1.15;
}

.quality-chip strong {
    font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
}

.quality-chip span {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.85);
}

/* ---------- Sobre ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 3rem;
    align-items: start;
}

.about-text p {
    color: var(--muted);
    font-size: 1.08rem;
    margin-bottom: 1.2rem;
}

.about-text p:first-child {
    color: var(--text);
}

.value-cards {
    display: grid;
    gap: 1.2rem;
}

.value-card {
    padding: 1.6rem 1.8rem;
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 1.3rem;
    align-items: start;
}

.value-card .card-icon {
    margin-bottom: 0;
    grid-row: span 2;
}

.value-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.35rem;
}

.value-card p {
    color: var(--muted);
    font-size: 0.98rem;
    grid-column: 2;
}

/* ---------- Serviços ---------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.6rem;
}

.service-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 2rem;
}

.tag {
    position: absolute;
    top: 1.4rem;
    right: 1.4rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--green);
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    background: rgba(0, 255, 136, 0.08);
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.7rem;
}

.service-card > p {
    color: var(--muted);
    font-size: 0.98rem;
    margin-bottom: 1.3rem;
}

.features {
    display: grid;
    gap: 0.55rem;
    margin-bottom: 1.6rem;
}

.features li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.95rem;
}

.features i {
    color: var(--green);
    font-size: 0.85rem;
}

/* ---------- Equipamentos ---------- */
.equip-hint {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin: -1.6rem 0 2rem;
    font-size: 0.98rem;
}

.equip-hint i {
    color: var(--blue);
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.6rem;
}

.equip-card {
    overflow: hidden;
    cursor: pointer;
}

.equip-card:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 3px;
}

.equip-media {
    position: relative;
    overflow: hidden;
}

.equip-media img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--border);
    transition: transform var(--transition);
}

.equip-card:hover .equip-media img {
    transform: scale(1.05);
}

.equip-count {
    position: absolute;
    top: 0.8rem;
    right: 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.32rem 0.7rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text);
    background: rgba(2, 6, 18, 0.7);
    border: 1px solid var(--border-strong);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.equip-count i {
    color: var(--blue);
    font-size: 0.82rem;
}

.equip-view {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(to top, rgba(0, 102, 204, 0.55), rgba(2, 6, 18, 0.35));
    opacity: 0;
    transition: opacity var(--transition);
}

.equip-card:hover .equip-view,
.equip-card:focus-visible .equip-view {
    opacity: 1;
}

.equip-body {
    padding: 1.5rem 1.7rem 1.8rem;
}

.equip-body h3 {
    font-size: 1.12rem;
    margin-bottom: 0.5rem;
}

.equip-body p {
    color: var(--muted);
    font-size: 0.95rem;
}

/* ---------- Cases ---------- */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.4rem;
}

.case-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    aspect-ratio: 3 / 4;
    background: var(--panel-solid);
    transition: transform var(--transition), border-color var(--transition);
}

.case-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-strong);
}

.case-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.case-card:hover img {
    transform: scale(1.06);
}

.case-card figcaption {
    position: absolute;
    inset: auto 0 0 0;
    padding: 2.2rem 1.3rem 1.2rem;
    background: linear-gradient(to top, rgba(2, 6, 18, 0.95), transparent);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.case-kicker {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--green);
}

.case-card strong {
    font-size: 1.02rem;
    font-weight: 700;
}

/* ---------- Eventos (galeria) ---------- */
.events-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.4rem;
}

.event-card {
    position: relative;
    flex: 1 1 300px;
    max-width: 360px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    aspect-ratio: 16 / 11;
    background: var(--panel-solid);
    cursor: pointer;
    transition: transform var(--transition), border-color var(--transition);
}

.event-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-strong);
}

.event-card:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 3px;
}

.event-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.event-card:hover img {
    transform: scale(1.06);
}

.event-card::before {
    content: "\f00e";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    top: 0.8rem;
    right: 0.9rem;
    z-index: 2;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(2, 6, 18, 0.6);
    border: 1px solid var(--border-strong);
    color: #fff;
    font-size: 0.9rem;
    opacity: 0;
    transition: opacity var(--transition);
}

.event-card:hover::before,
.event-card:focus-visible::before {
    opacity: 1;
}

.event-card figcaption {
    position: absolute;
    inset: auto 0 0 0;
    padding: 2.2rem 1.3rem 1.2rem;
    background: linear-gradient(to top, rgba(2, 6, 18, 0.95), transparent);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.event-card strong {
    font-size: 1.02rem;
    font-weight: 700;
}

/* ---------- FAQ ---------- */
.faq-list {
    display: grid;
    gap: 0.9rem;
}

.faq-item {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    overflow: hidden;
    transition: border-color var(--transition);
}

.faq-item[open] {
    border-color: var(--border-strong);
}

.faq-item summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.15rem 1.4rem;
    font-weight: 600;
    font-size: 1.02rem;
    cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary i {
    color: var(--blue);
    transition: transform var(--transition);
    flex-shrink: 0;
}

.faq-item[open] summary i {
    transform: rotate(180deg);
}

.faq-item p {
    padding: 0 1.4rem 1.3rem;
    color: var(--muted);
    font-size: 0.97rem;
}

/* ---------- Contato (embed única) ---------- */
.contact-panel {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    overflow: hidden;
}

.contact-channels {
    padding: 2.2rem;
    display: grid;
    gap: 1.7rem;
    align-content: start;
    background: rgba(2, 6, 18, 0.45);
    border-right: 1px solid var(--border);
}

.contact-block h3 {
    font-size: 1.02rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.5rem;
}

.contact-block h3 i {
    color: var(--blue);
    width: 22px;
    text-align: center;
}

.contact-block p {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.8rem;
    color: var(--muted);
    font-size: 0.97rem;
    padding-left: 2rem;
}

.contact-block a {
    color: var(--text);
    font-weight: 500;
    transition: color var(--transition);
}

.contact-block a:hover {
    color: var(--blue);
}

.contact-actions {
    padding: 1rem 2.2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.action-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.3rem;
    padding: 1.4rem 0;
}

.action-row + .action-row {
    border-top: 1px solid var(--border);
}

.action-row .card-icon {
    margin-bottom: 0;
}

.action-copy h3 {
    font-size: 1.08rem;
    margin-bottom: 0.25rem;
}

.action-copy p {
    color: var(--muted);
    font-size: 0.93rem;
}

.action-row .btn {
    white-space: nowrap;
    padding: 0.7rem 1.3rem;
    font-size: 0.93rem;
}

/* ---------- Pop-up WhatsApp ---------- */
.wa-modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.wa-modal.open {
    opacity: 1;
    pointer-events: auto;
}

.wa-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 18, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.wa-box {
    position: relative;
    width: min(420px, 100%);
    background: var(--panel-solid);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    box-shadow: var(--shadow), 0 0 60px rgba(0, 136, 255, 0.2);
    padding: 2rem;
    transform: translateY(18px) scale(0.97);
    transition: transform var(--transition);
}

.wa-modal.open .wa-box {
    transform: translateY(0) scale(1);
}

.wa-close {
    position: absolute;
    top: 0.9rem;
    right: 0.9rem;
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--muted);
    font-size: 0.95rem;
    transition: color var(--transition), border-color var(--transition);
}

.wa-close:hover {
    color: var(--text);
    border-color: var(--border-strong);
}

.wa-head {
    text-align: center;
    margin-bottom: 1.5rem;
}

.wa-head-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 0.9rem;
    display: grid;
    place-items: center;
    border-radius: 50%;
    font-size: 1.7rem;
    color: #fff;
    background: #25d366;
    box-shadow: 0 8px 26px rgba(37, 211, 102, 0.45);
}

.wa-head h3 {
    font-size: 1.3rem;
    margin-bottom: 0.3rem;
}

.wa-head p {
    color: var(--muted);
    font-size: 0.95rem;
}

.wa-option {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.2rem;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(0, 136, 255, 0.06);
    color: var(--text);
    text-align: left;
    transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.wa-option + .wa-option {
    margin-top: 0.8rem;
}

.wa-option:hover {
    border-color: rgba(37, 211, 102, 0.6);
    background: rgba(37, 211, 102, 0.08);
    transform: translateY(-2px);
}

.wa-option > .fa-whatsapp {
    font-size: 1.5rem;
    color: #25d366;
}

.wa-option-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.wa-option-info strong {
    font-size: 1rem;
}

.wa-option-info span {
    font-size: 0.88rem;
    color: var(--muted);
}

.wa-option > .fa-arrow-right {
    color: var(--blue);
    font-size: 0.9rem;
}

/* ---------- Lightbox / Galeria ---------- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 210;
    display: grid;
    grid-template-rows: 1fr auto;
    place-items: center;
    padding: 2rem 1rem 1.4rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.lightbox.open {
    opacity: 1;
    pointer-events: auto;
}

.lb-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(1, 4, 12, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.lb-stage {
    position: relative;
    z-index: 1;
    max-width: min(1000px, 92vw);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
}

.lb-stage img {
    max-width: 100%;
    max-height: 72vh;
    border-radius: var(--radius);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow), 0 0 70px rgba(0, 136, 255, 0.25);
    background: var(--panel-solid);
    transform: scale(0.97);
    transition: transform var(--transition);
}

.lightbox.open .lb-stage img {
    transform: scale(1);
}

.lb-caption {
    text-align: center;
    line-height: 1.4;
}

.lb-caption strong {
    display: block;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    text-shadow: 0 0 16px rgba(0, 136, 255, 0.45);
}

.lb-caption span {
    font-size: 0.85rem;
    color: var(--muted);
}

.lb-close {
    position: absolute;
    top: 1.1rem;
    right: 1.2rem;
    z-index: 2;
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid var(--border-strong);
    background: rgba(2, 6, 18, 0.6);
    color: var(--text);
    font-size: 1.1rem;
    transition: background var(--transition), transform var(--transition);
}

.lb-close:hover {
    background: rgba(0, 136, 255, 0.2);
    transform: rotate(90deg);
}

.lb-nav {
    position: absolute;
    top: 50%;
    z-index: 2;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid var(--border-strong);
    background: rgba(2, 6, 18, 0.6);
    color: var(--text);
    font-size: 1.1rem;
    transition: background var(--transition), transform var(--transition);
}

.lb-nav:hover {
    background: rgba(0, 136, 255, 0.28);
}

.lb-prev { left: max(1.2rem, 3vw); }
.lb-next { right: max(1.2rem, 3vw); }

.lb-nav.hidden {
    display: none;
}

.lb-thumbs {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.6rem;
    max-width: min(1000px, 92vw);
    margin-top: 1rem;
}

.lb-thumbs img {
    width: 74px;
    height: 52px;
    object-fit: cover;
    border-radius: 9px;
    border: 2px solid transparent;
    opacity: 0.55;
    cursor: pointer;
    transition: opacity var(--transition), border-color var(--transition), transform var(--transition);
}

.lb-thumbs img:hover {
    opacity: 0.85;
    transform: translateY(-2px);
}

.lb-thumbs img.active {
    opacity: 1;
    border-color: var(--blue);
}

.lb-thumbs.single {
    display: none;
}

/* ---------- Footer ---------- */
.footer {
    border-top: 1px solid var(--border);
    background: rgba(2, 6, 18, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2.5rem 2rem;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-logo {
    height: 84px;
    width: auto;
    filter: drop-shadow(0 0 14px rgba(0, 136, 255, 0.4));
}

.footer p {
    color: var(--muted);
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: 0.8rem;
}

.footer-social a {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: 1px solid var(--border-strong);
    color: var(--text);
    font-size: 1.05rem;
    transition: background var(--transition), transform var(--transition);
}

.footer-social a:hover {
    background: rgba(0, 136, 255, 0.18);
    transform: translateY(-3px);
}

/* ---------- WhatsApp flutuante ---------- */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 90;
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    border: none;
    font-size: 1.7rem;
    color: #fff;
    background: #25d366;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.45);
    transition: transform var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

/* ---------- Efeito Neon nos textos principais ---------- */
h1 {
    text-shadow:
        0 0 10px rgba(255, 255, 255, 0.28),
        0 0 30px rgba(0, 136, 255, 0.5),
        0 0 70px rgba(0, 136, 255, 0.3);
}

h2 {
    text-shadow:
        0 0 8px rgba(255, 255, 255, 0.25),
        0 0 26px rgba(0, 136, 255, 0.55),
        0 0 60px rgba(0, 136, 255, 0.3);
}

/* Textos em gradiente (cor transparente): o brilho vem por drop-shadow */
.grad,
.stat dt {
    filter:
        drop-shadow(0 0 8px rgba(0, 170, 255, 0.55))
        drop-shadow(0 0 22px rgba(0, 255, 136, 0.3));
}

.eyebrow {
    text-shadow:
        0 0 8px rgba(0, 136, 255, 0.9),
        0 0 22px rgba(0, 136, 255, 0.55);
}

.badge {
    text-shadow:
        0 0 8px rgba(0, 255, 136, 0.8),
        0 0 20px rgba(0, 255, 136, 0.45);
}

.tag,
.case-kicker {
    text-shadow:
        0 0 8px rgba(0, 255, 136, 0.75),
        0 0 18px rgba(0, 255, 136, 0.4);
}

.service-card h3,
.equip-body h3,
.value-card h3,
.action-copy h3,
.wa-head h3,
.contact-block h3 {
    text-shadow:
        0 0 6px rgba(255, 255, 255, 0.2),
        0 0 18px rgba(0, 136, 255, 0.45);
}

.nav-link:hover {
    text-shadow: 0 0 10px rgba(0, 136, 255, 0.8);
}

.hero-photo figcaption {
    text-shadow: 0 0 12px rgba(0, 136, 255, 0.4);
}

.faq-item summary {
    text-shadow: 0 0 14px rgba(0, 136, 255, 0.35);
}

/* ---------- Animação de revelação ----------
   Escopo sob .js: sem JavaScript o conteúdo permanece visível. */
.js .reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .js .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ---------- Responsivo ---------- */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-visual {
        max-width: 560px;
    }

    .quality-chip {
        right: 6px;
    }

    .services-grid,
    .equipment-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid,
    .contact-panel {
        grid-template-columns: 1fr;
    }

    .contact-channels {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
}

@media (max-width: 768px) {
    .section {
        padding: 4.5rem 1.4rem;
    }

    .hero {
        padding: 7.5rem 1.4rem 4rem;
    }

    .logo img {
        height: 68px;
    }

    .action-row {
        grid-template-columns: auto 1fr;
    }

    .action-row .btn {
        grid-column: 2;
        justify-self: start;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: rgba(2, 6, 18, 0.97);
        border-bottom: 1px solid var(--border);
        padding: 0.8rem 1.4rem 1.4rem;
        transform: translateY(-130%);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--transition), opacity var(--transition);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-links li {
        padding: 0.55rem 0;
    }

    .nav-cta {
        display: inline-block;
        text-align: center;
        margin-top: 0.6rem;
    }

    .services-grid,
    .equipment-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.4rem;
    }

    .hero-photo img {
        height: 280px;
    }

    .lb-nav {
        width: 42px;
        height: 42px;
        font-size: 0.95rem;
    }

    .lb-prev { left: 0.5rem; }
    .lb-next { right: 0.5rem; }

    .lb-stage img {
        max-height: 62vh;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}