:root {
    --bg: #0b0c0f;
    /* quase preto */
    --surface: #11131a;
    /* cards */
    --text: #f2f4f8;
    --muted: #b7bfcc;
    --gold: #B28F2F;
    /* dourado do logo */
    --gold-2: #8E7226;
    /* sombra (mais escuro) */
    --gold-hi: #C49D34;
    /* brilho (mais claro) */
    --gold-ink: #1a1406;
    /* texto em cima do dourado */
    --border: rgba(255, 255, 255, .10);

    --radius: 16px;
    --shadow: 0 10px 30px rgba(0, 0, 0, .35);

    --container: 1120px;
    --space-1: 8px;
    --space-2: 12px;
    --space-3: 16px;
    --space-4: 24px;
    --space-5: 32px;
    --space-6: 48px;

    --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 150ms ease, opacity 150ms ease;
}

a:hover {
    text-decoration: underline;
}

/* Melhor visibilidade de foco para acessibilidade */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
    outline: 3px solid var(--gold);
    outline-offset: 3px;
    border-radius: 4px;
}

.container {
    width: min(var(--container), calc(100% - 2*var(--space-4)));
    margin-inline: auto;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-link:focus {
    left: var(--space-4);
    top: var(--space-4);
    width: auto;
    height: auto;
    padding: var(--space-2) var(--space-3);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    z-index: 9999;
}

.muted {
    color: var(--muted);
}

.placeholder {
    color: var(--gold);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(11, 12, 15, .75);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3) 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.brand-logo {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    object-fit: contain;
}

.brand-text strong {
    display: block;
    letter-spacing: .5px;
}

.brand-text small {
    display: block;
    color: var(--muted);
    font-size: .85rem;
}

.nav {
    display: none;
    gap: var(--space-3);
    align-items: center;
}

.nav a:not(.btn) {
    color: var(--text);
    opacity: .9;
    position: relative;
    padding-bottom: 4px;
}

.nav a:not(.btn)::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 180ms ease;
}

.nav a:not(.btn):hover::after,
.nav a:not(.btn):focus::after {
    width: 100%;
}

.nav a:hover,
.nav a:focus {
    color: var(--gold);
    opacity: 1;
}

.nav a[aria-current="page"]:not(.btn) {
    color: var(--gold);
    opacity: 1;
}

.nav a[aria-current="page"]:not(.btn)::after {
    width: 100%;
}

.nav-toggle {
    display: inline-flex;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    align-items: center;
    justify-content: center;
}

.nav-toggle span {
    width: 18px;
    height: 2px;
    background: var(--text);
    position: relative;
    display: block;
}

.nav-toggle span::before,
.nav-toggle span::after {
    content: "";
    position: absolute;
    left: 0;
    width: 18px;
    height: 2px;
    background: var(--text);
}

.nav-toggle span::before {
    top: -6px;
}

.nav-toggle span::after {
    top: 6px;
}

.mobile-menu {
    border-top: 1px solid var(--border);
    background: rgba(11, 12, 15, .92);
    overflow: hidden;
    max-height: 500px;
    opacity: 1;
    transition: max-height 350ms cubic-bezier(0.4, 0, 0.2, 1),
        opacity 250ms ease,
        transform 350ms cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(0);
    transform-origin: top;
}

.mobile-menu[hidden] {
    max-height: 0;
    opacity: 0;
    transform: translateY(-10px);
    border-top-color: transparent;
}

.mobile-menu-inner {
    display: grid;
    gap: var(--space-3);
    padding: var(--space-4) 0;
}

.mobile-menu a {
    padding: 10px 0;
    transition: color 150ms ease, opacity 150ms ease;
}

.mobile-menu a:hover,
.mobile-menu a:focus {
    color: var(--gold);
    opacity: 1;
}

.mobile-menu a[aria-current="page"] {
    color: var(--gold);
    opacity: 1;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 14px;
    border: 1px solid transparent;
    font-weight: 600;
    letter-spacing: .2px;
    text-decoration: none;
    transition: transform 150ms ease, box-shadow 150ms ease, filter 150ms ease;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, .45);
}

.btn:focus {
    outline: 2px solid rgba(178, 143, 47, .6);
    outline-offset: 3px;
}

.btn:active {
    transform: translateY(-1px);
}

.btn-sm {
    padding: 10px 12px;
    border-radius: 12px;
    font-size: .95rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-hi), var(--gold));
    color: var(--gold-ink) !important;
    border-color: rgba(0, 0, 0, .25);
}

.btn-primary:hover {
    filter: brightness(1.08);
}

.btn-primary:active {
    filter: brightness(1.0);
}

.btn-ghost {
    background: transparent;
    border-color: rgba(178, 143, 47, .35);
    color: var(--text);
}

.btn-ghost:hover {
    border-color: rgba(178, 143, 47, .6);
    background: rgba(178, 143, 47, .08);
}

.hero {
    padding: var(--space-6) 0 var(--space-5);
}

.hero-grid {
    display: grid;
    gap: var(--space-5);
}

.eyebrow {
    color: var(--gold);
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    font-size: .80rem;
    margin: 0 0 var(--space-2);
}

.hero h1 {
    font-size: clamp(1.9rem, 3.2vw, 3rem);
    line-height: 1.1;
    margin: 0 0 var(--space-3);
}

.lead {
    font-size: 1.05rem;
    margin: 0 0 var(--space-4);
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.hero-media {
    display: flex;
    justify-content: center;
}

.hero-media .media-placeholder {
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02));
    min-height: 260px;
    box-shadow: var(--shadow);
}

.trust-strip {
    list-style: none;
    padding: 0;
    margin: var(--space-4) 0 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}

.trust-strip li {
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .03);
    border-radius: 14px;
    padding: var(--space-3);
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.trust-strip li:hover {
    transform: translateY(-2px);
    border-color: rgba(178, 143, 47, .3);
    background: rgba(255, 255, 255, .05);
}

.trust-strip strong {
    display: block;
    color: var(--gold);
    font-size: 1.1rem;
}

.trust-strip span {
    color: var(--muted);
    font-size: .9rem;
}

.section {
    padding: var(--space-5) 0;
}

.section-alt {
    background: rgba(255, 255, 255, .02);
    border-block: 1px solid var(--border);
}

.section-header {
    margin-bottom: var(--space-4);
}

.section-header h2 {
    margin: 0 0 var(--space-2);
    font-size: 1.6rem;
}

.section-header p {
    margin: 0;
}

.grid {
    display: grid;
    gap: var(--space-3);
}

.cards-3 {
    grid-template-columns: 1fr;
}

.two-col {
    grid-template-columns: 1fr;
}

.card {
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
    padding: var(--space-4);
    box-shadow: var(--shadow);
    transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 40px rgba(0, 0, 0, .5), 0 0 0 1px rgba(178, 143, 47, .15);
    border-color: rgba(178, 143, 47, .25);
}

.card h3,
.card h2 {
    margin: 0 0 var(--space-2);
}

.card p {
    margin: 0;
}

.steps {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--space-3);
}

.step {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .03);
    border-radius: var(--radius);
    padding: var(--space-4);
    transition: transform 140ms ease, border-color 140ms ease;
}

.step:hover {
    transform: translateY(-2px);
    border-color: rgba(178, 143, 47, .2);
}

.step:hover .step-badge {
    background: rgba(178, 143, 47, .25);
    border-color: rgba(178, 143, 47, .5);
}

.step-badge {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    background: rgba(178, 143, 47, .18);
    border: 1px solid rgba(178, 143, 47, .35);
    color: var(--gold);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    transition: background 140ms ease, border-color 140ms ease;
}

.center {
    display: flex;
    justify-content: center;
    margin-top: var(--space-4);
}

.cta {
    background: linear-gradient(135deg, rgba(178, 143, 47, .12), rgba(255, 255, 255, .02));
    border-block: 1px solid rgba(178, 143, 47, .25);
}

.cta-inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: flex-start;
    justify-content: space-between;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.page-hero {
    padding: var(--space-6) 0 var(--space-4);
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, rgba(178, 143, 47, .10), rgba(255, 255, 255, 0));
}

.faq {
    display: grid;
    gap: var(--space-3);
}

.faq-item {
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .03);
    border-radius: var(--radius);
    padding: 0;
    overflow: hidden;
    transition: border-color 150ms ease;
}

.faq-item:hover {
    border-color: rgba(178, 143, 47, .2);
}

.faq-item summary {
    cursor: pointer;
    padding: var(--space-4);
    font-weight: 700;
    transition: background 150ms ease;
}

.faq-item summary:hover {
    background: rgba(255, 255, 255, .05);
}

.faq-item summary:focus {
    outline: 2px solid rgba(178, 143, 47, .5);
    outline-offset: -2px;
}

.faq-body {
    padding: 0 var(--space-4) var(--space-4);
}

.form label {
    display: grid;
    gap: 8px;
}

.form input,
.form textarea {
    width: 100%;
    padding: 12px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, .25);
    color: var(--text);
    transition: border-color 150ms ease, outline 150ms ease;
}

.form input:focus,
.form textarea:focus {
    outline: 2px solid rgba(178, 143, 47, .45);
    outline-offset: 2px;
    border-color: rgba(178, 143, 47, .3);
}

.form-grid {
    grid-template-columns: 1fr;
}

.form-grid .full {
    grid-column: 1 / -1;
}

.map-placeholder {
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, .03);
    min-height: 220px;
}

.site-footer {
    border-top: 1px solid var(--border);
    padding: var(--space-6) 0 var(--space-4);
}

.footer-grid {
    display: grid;
    gap: var(--space-4);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: var(--space-2) 0 0;
    display: grid;
    gap: 8px;
}

.footer-bottom {
    padding-top: var(--space-4);
    border-top: 1px solid var(--border);
}

.wa-float {
    position: fixed;
    right: 16px;
    bottom: 16px;
    width: 54px;
    height: 54px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--gold-hi), var(--gold));
    color: var(--gold-ink);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    box-shadow: var(--shadow);
    z-index: 60;
    transition: transform 150ms ease, box-shadow 150ms ease;
}

.wa-float:hover {
    transform: scale(1.05);
    box-shadow: 0 16px 45px rgba(0, 0, 0, .6);
}

.wa-float:focus {
    outline: 2px solid rgba(178, 143, 47, .6);
    outline-offset: 3px;
}

/* Contact List Styles */
.contact-list {
    list-style: none;
    padding: 0;
    margin: var(--space-3) 0 0;
    display: grid;
    gap: var(--space-3);
}

.contact-item {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
}

.contact-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(178, 143, 47, .14);
    border: 1px solid rgba(178, 143, 47, .35);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--muted);
    transition: background 150ms ease, border-color 150ms ease;
}

.contact-item:hover .contact-icon {
    background: rgba(178, 143, 47, .22);
    border-color: rgba(178, 143, 47, .45);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.contact-details strong {
    display: block;
    color: var(--text);
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.contact-details span {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.spacer {
    height: var(--space-4);
}

@media (min-width: 860px) {
    .nav {
        display: flex;
    }

    .nav-toggle {
        display: none;
    }

    .hero-grid {
        grid-template-columns: 1.1fr .9fr;
        align-items: start;
        gap: var(--space-5);
    }

    .trust-strip {
        grid-template-columns: repeat(4, 1fr);
    }

    .cards-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Center orphaned items in equipment grid (8 items = 3+3+2) */
    .equipment-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .equipment-grid>.equip-card:nth-last-child(-n+2):nth-child(3n+1) {
        grid-column: 2;
    }

    .equipment-grid>.equip-card:nth-last-child(1):nth-child(3n+2) {
        grid-column: 3;
    }

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

    .cta-inner {
        flex-direction: row;
        align-items: center;
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }

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

/* Hero media (quando tiver imagem real) */
@media (min-width: 860px) {
    .hero-media img {
        transition: transform 200ms ease, filter 200ms ease;
    }

    .hero-media img:hover {
        transform: scale(1.02);
        filter: brightness(1.05) contrast(1.02);
    }
}

/* Acessibilidade: reduzir movimento */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Equipamentos */
.equipment-grid {
    margin-top: var(--space-3);
}

.equip-card h3 {
    margin: 0;
}

.equip-head {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.icon-badge {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    border: 1px solid rgba(178, 143, 47, .35);
    background: rgba(178, 143, 47, .14);
    box-shadow: var(--shadow);
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-badge svg {
    color: var(--gold);
}

/* Lista compacta e "corporativa" */
.equip-list {
    list-style: none;
    padding: 0;
    margin: var(--space-3) 0 0;
    display: grid;
    gap: 10px;
}

.equip-list li {
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, .18);
    color: var(--muted);
}

.equip-note {
    margin-top: var(--space-4);
}

/* Equipment Showcase Grid */
.equipment-showcase {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
}

.showcase-img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: transform 200ms ease, box-shadow 200ms ease;
}

.showcase-img:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 45px rgba(0, 0, 0, .6);
}

/* Hero Image (Monitoring Center) */
.hero-image {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: transform 300ms ease, box-shadow 300ms ease, filter 300ms ease;
}

.hero-image:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .7);
    filter: brightness(1.05);
}

/* CTA with Background */
.cta-with-bg {
    position: relative;
    background-image: url('../assets/img/condominium-dusk.webp');
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.cta-with-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(11, 12, 15, 0.92), rgba(11, 12, 15, 0.85));
    z-index: 1;
}

.cta-with-bg .container {
    position: relative;
    z-index: 2;
}

@media (min-width: 768px) {
    .equipment-showcase {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Cards 2 column grid */
.cards-2 {
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .cards-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Image cursor for clickable images */
.card img {
    cursor: zoom-in;
    transition: transform 200ms ease, filter 200ms ease;
    width: 100%;
    height: 400px;
    object-fit: cover;
    object-position: center;
}

.card img:hover {
    transform: scale(1.02);
    filter: brightness(1.05);
}

/* Cost comparison image - display fully without height constraints */
.cost-comparison-img {
    width: 100%;
    max-width: 500px;
    height: auto !important;
    object-fit: contain !important;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    cursor: default;
    display: block;
    margin: 0 auto;
}

/* Lightbox Overlay */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    animation: fadeIn 250ms ease;
}

.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Lightbox Content */
.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
    animation: zoomIn 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.lightbox-image {
    width: 100%;
    height: auto;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.8);
}

/* Close Button */
.lightbox-close {
    position: absolute;
    top: -50px;
    right: -50px;
    background: var(--gold);
    color: var(--gold-ink);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 150ms ease, background 150ms ease;
    z-index: 10000;
}

.lightbox-close:hover {
    transform: scale(1.1) rotate(90deg);
    background: var(--gold-hi);
}

.lightbox-close:focus {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
}

/* Caption */
.lightbox-caption {
    position: absolute;
    bottom: -60px;
    left: 0;
    right: 0;
    text-align: center;
    color: var(--text);
    font-size: 0.95rem;
    padding: var(--space-2);
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .lightbox-close {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .lightbox-caption {
        bottom: 10px;
        font-size: 0.85rem;
    }
}

/* Promotional Video Section */
.video-section {
    background: rgba(255, 255, 255, .02);
    border-block: 1px solid var(--border);
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    background: var(--surface);
    transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.video-container:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .6);
    border-color: rgba(178, 143, 47, .2);
}

.promotional-video {
    width: 100%;
    height: auto;
    display: block;
    background: #000;
    aspect-ratio: 16 / 9;
}

/* Video controls styling */
.promotional-video::-webkit-media-controls-panel {
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.7));
}

.promotional-video::-webkit-media-controls-play-button,
.promotional-video::-webkit-media-controls-current-time-display,
.promotional-video::-webkit-media-controls-time-remaining-display {
    color: var(--gold);
}

@media (max-width: 768px) {
    .video-container {
        border-radius: 12px;
    }
}