/* ==========================================================================
   North Bella Bull — Design system
   Paleta derivada do logotipo (selo vermelho/dourado + fundo amadeirado)
   ========================================================================== */

:root {
    --ink: #1C2331;
    --ink-soft: #2A3345;
    --primary: #8C1D1D;
    --primary-dark: #6E1616;
    --accent: #C9972B;
    --accent-light: #E0B75C;
    --bg: #FAF7F2;
    --bg-alt: #F1EBE0;
    --white: #FFFFFF;
    --text: #26241F;
    --text-muted: #5B5750;
    --border: #E5DDCC;

    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --space-section: 112px;
    --space-section-sm: 64px;
    --container: 1180px;
    --radius: 6px;
    --shadow: 0 10px 30px rgba(28, 35, 49, 0.12);
    --transition: 0.25s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.65;
    color: var(--text-muted);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 {
    margin: 0 0 0.5em;
    color: var(--ink);
    font-weight: 700;
    line-height: 1.25;
}
p { margin: 0 0 1em; }
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}
section { padding: var(--space-section) 0; }
button { font-family: inherit; cursor: pointer; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Utilidades ---------- */
.eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}
.section-head {
    max-width: 640px;
    margin: 0 auto 56px;
    text-align: center;
}
.section-head h2 {
    font-size: clamp(28px, 4vw, 38px);
}
.section-head p {
    font-size: 17px;
}
.section-alt { background: var(--bg-alt); }
.section-dark {
    background: var(--ink);
    color: rgba(255,255,255,0.75);
}
.section-dark h2, .section-dark h3 { color: var(--white); }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 15px;
    border: 2px solid transparent;
    transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
    white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { border-color: rgba(255,255,255,0.6); color: var(--white); }
.btn-outline:hover { background: rgba(255,255,255,0.12); }
.btn-ghost { border-color: var(--border); color: var(--ink); background: var(--white); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-block { width: 100%; justify-content: center; }
.btn svg { width: 18px; height: 18px; flex: none; }

.visually-hidden {
    position: absolute; width: 1px; height: 1px; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
    position: absolute; left: 8px; top: -60px;
    background: var(--ink); color: var(--white); padding: 10px 16px;
    border-radius: var(--radius); z-index: 200; transition: top var(--transition);
}
.skip-link:focus { top: 8px; }

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(250, 247, 242, 0.92);
    backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}
.site-header .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    row-gap: 8px;
    min-height: 76px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: var(--ink);
    font-size: 18px;
}
.brand img { height: 44px; width: auto; }
.brand small {
    display: block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    text-transform: uppercase;
}

.nav-toggle {
    display: none;
    width: 44px; height: 44px;
    border: 0; background: transparent;
    position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
    content: "";
    position: absolute;
    left: 10px; right: 10px;
    height: 2px;
    background: var(--ink);
    transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle span { top: 21px; }
.nav-toggle span::before { top: -8px; }
.nav-toggle span::after { top: 8px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-8px) rotate(-45deg); }

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 32px;
}
.main-nav a {
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    padding: 6px 2px;
    border-bottom: 2px solid transparent;
    transition: color var(--transition), border-color var(--transition);
}
.main-nav a:hover,
.main-nav a.active { color: var(--primary); border-color: var(--primary); }

.header-actions { display: flex; align-items: center; gap: 18px; }
.header-phone {
    display: flex; align-items: center; gap: 8px;
    font-weight: 700; color: var(--ink); font-size: 14px;
}
.header-phone svg { width: 18px; height: 18px; color: var(--primary); }

@media (max-width: 900px) {
    .nav-toggle { display: block; }
    .header-phone { display: none; }
    .header-actions .btn { display: none; }
    .main-nav {
        position: fixed;
        top: 76px; left: 0; right: 0;
        background: var(--white);
        border-bottom: 1px solid var(--border);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition);
    }
    .main-nav.is-open { max-height: 480px; }
    .main-nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 8px 24px 20px;
    }
    .main-nav li { width: 100%; }
    .main-nav a { display: block; padding: 14px 0; border-bottom: 1px solid var(--border); width: 100%; }
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: var(--white);
    background: var(--ink);
    padding-top: 76px;
}
.hero-media {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-media img {
    width: 100%; height: 100%; object-fit: cover;
}
.hero-media::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(28,35,49,0.75) 0%, rgba(28,35,49,0.55) 45%, rgba(28,35,49,0.88) 100%);
}
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
    padding: 80px 0;
}
.hero-content .eyebrow { color: var(--accent-light); }
.hero-content h1 {
    color: var(--white);
    font-size: clamp(34px, 5.4vw, 58px);
    letter-spacing: -0.01em;
    margin-bottom: 20px;
}
.hero-content p {
    font-size: 19px;
    color: rgba(255,255,255,0.86);
    max-width: 560px;
    margin-bottom: 32px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; }

/* Trust strip */
.trust-strip { background: var(--white); border-bottom: 1px solid var(--border); }
.trust-strip .container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding-top: 40px;
    padding-bottom: 40px;
}
.trust-item { text-align: center; }
.trust-item strong {
    display: block;
    font-size: clamp(26px, 3vw, 34px);
    color: var(--primary);
    font-weight: 800;
}
.trust-item span { font-size: 13px; color: var(--text-muted); font-weight: 600; }

@media (max-width: 760px) {
    .trust-strip .container { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Services ---------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}
.service-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 26px;
    transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.service-icon {
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-alt);
    color: var(--primary);
    border-radius: var(--radius);
    margin-bottom: 20px;
}
.service-icon svg { width: 26px; height: 26px; }
.service-card h3 { font-size: 19px; }
.service-card p { font-size: 15px; margin-bottom: 0; }

@media (max-width: 900px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
    .services-grid { grid-template-columns: 1fr; }
}

/* ---------- Gallery / Equipamentos ---------- */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}
.filter-btn {
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--text-muted);
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition);
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active { background: var(--ink); border-color: var(--ink); color: var(--white); }

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.gallery-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: var(--bg-alt);
    border: 0;
    padding: 0;
    display: block;
}
.gallery-item img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.4s ease;
}
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item .gallery-caption {
    position: absolute; inset: auto 0 0 0;
    padding: 14px 16px;
    background: linear-gradient(180deg, transparent, rgba(0,0,0,0.7));
    color: var(--white);
    font-size: 13px;
    font-weight: 600;
    text-align: left;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity var(--transition), transform var(--transition);
}
.gallery-item:hover .gallery-caption { opacity: 1; transform: translateY(0); }
.gallery-item.is-hidden { display: none; }

@media (max-width: 900px) {
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .gallery-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
}

/* Lightbox */
.lightbox {
    position: fixed; inset: 0; z-index: 300;
    background: rgba(15, 18, 26, 0.94);
    display: flex; align-items: center; justify-content: center;
    padding: 32px;
    opacity: 0; pointer-events: none;
    transition: opacity var(--transition);
}
.lightbox.is-open { opacity: 1; pointer-events: auto; }
.lightbox img { max-width: 92vw; max-height: 86vh; border-radius: 4px; }
.lightbox-close {
    position: absolute; top: 20px; right: 24px;
    width: 44px; height: 44px; border-radius: 50%;
    background: rgba(255,255,255,0.12); border: 0; color: var(--white);
}
.lightbox-close svg { width: 20px; height: 20px; }

/* ---------- Orçamento (form) ---------- */
.quote-section { position: relative; overflow: hidden; }
.quote-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.4fr;
    gap: 48px;
    align-items: flex-start;
}
.quote-intro h2 { font-size: clamp(26px, 3.4vw, 34px); }
.quote-benefits { margin-top: 28px; display: grid; gap: 16px; }
.quote-benefit { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; color: var(--text-muted); }
.quote-benefit svg { width: 22px; height: 22px; color: var(--accent); flex: none; margin-top: 2px; }

.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 36px;
    box-shadow: var(--shadow);
}
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; font-weight: 700; color: var(--ink); }
.field input,
.field select,
.field textarea {
    font-family: var(--font);
    font-size: 15px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(140, 29, 29, 0.12);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-foot { margin-top: 24px; display: flex; flex-direction: column; gap: 16px; }

@media (max-width: 900px) {
    .quote-layout { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
    .form-grid { grid-template-columns: 1fr; }
    .card { padding: 24px; }
}

/* ---------- Sobre ---------- */
.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}
.about-media { border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); }
.about-copy .eyebrow { color: var(--primary); }
.values-grid {
    margin-top: var(--space-section-sm);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.value-card {
    text-align: center;
    padding: 32px 22px;
    border-radius: var(--radius);
    background: var(--white);
    border: 1px solid var(--border);
}
.value-card .eyebrow { display: block; color: var(--primary); margin-bottom: 10px; }

.clients-strip {
    margin-top: var(--space-section-sm);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 24px;
}
.clients-strip img { width: calc((100% - 24px * 5) / 6); filter: grayscale(1); opacity: 0.6; transition: opacity var(--transition), filter var(--transition); }
.clients-strip img:hover { filter: none; opacity: 1; }

@media (max-width: 900px) {
    .about-layout { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr; }
    .clients-strip img { width: calc((100% - 24px * 2) / 3); }
}
@media (max-width: 480px) {
    .clients-strip img { width: calc((100% - 24px * 1) / 2); }
}

/* ---------- Contato ---------- */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}
.contact-info { display: grid; gap: 20px; align-content: start; }
.contact-info-item { display: flex; gap: 12px; align-items: flex-start; }
.contact-info-item svg { width: 22px; height: 22px; color: var(--primary); flex: none; margin-top: 2px; }
.contact-info-item h3 { font-size: 15px; margin-bottom: 4px; }
.contact-info-item p { margin: 0; font-size: 15px; }
.contact-info-item p + p { margin-top: 4px; }
.whatsapp-line { display: flex; align-items: center; gap: 6px; }
.contact-info-item .whatsapp-icon { width: 18px; height: 18px; color: #25D366; flex: none; margin: 4px 0 0; }
.social-row { display: flex; gap: 12px; margin-top: 8px; }
.social-row a {
    width: 42px; height: 42px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-alt); color: var(--ink);
    transition: background var(--transition), color var(--transition);
}
.social-row a:hover { background: var(--primary); color: var(--white); }
.social-row svg { width: 20px; height: 20px; }
.map-frame { border-radius: 10px; overflow: hidden; border: 1px solid var(--border); margin-top: 8px; }
.map-frame iframe { width: 100%; height: 280px; border: 0; display: block; }

@media (max-width: 900px) {
    .contact-layout { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: rgba(255,255,255,0.65); padding: 56px 0 24px; }
.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand { display: flex; align-items: center; gap: 10px; color: var(--white); font-weight: 700; margin-bottom: 14px; }
.footer-brand img { height: 40px; }
.footer-col h4 { color: var(--white); font-size: 14px; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a:hover { color: var(--accent-light); }
.footer-bottom {
    padding-top: 24px;
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
    font-size: 13px;
}

@media (max-width: 760px) {
    .footer-top { grid-template-columns: 1fr; }
}

/* WhatsApp floating button */
.whatsapp-float {
    position: fixed;
    right: 20px; bottom: 20px;
    width: 58px; height: 58px;
    border-radius: 50%;
    background: #25D366;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 22px rgba(0,0,0,0.25);
    z-index: 150;
    transition: transform var(--transition);
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 28px; height: 28px; color: var(--white); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive section spacing ---------- */
@media (max-width: 900px) {
    :root { --space-section: 76px; --space-section-sm: 44px; }
}
@media (max-width: 560px) {
    :root { --space-section: 56px; }
    .hero-content { padding-top: 56px; padding-bottom: 56px; }
}