/* ═══════════════════════════════════════
   OCC — Por que empresas precisam do OCC
   ═══════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--fg); font-family: var(--font-b); line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { text-decoration: none; }
ul { list-style: none; }
button { background: none; border: none; cursor: pointer; font-family: inherit; }

:root {
    --bg: #000c12;
    --bg-2: #060f18;
    --bg-card: rgba(255,255,255,.04);
    --border: rgba(255,255,255,.08);
    --grad: linear-gradient(135deg,#00B7FF,#00E8BB);
    --teal: #00B7FF;
    --mint: #00E8BB;
    --fg: #f0f4f8;
    --fg-muted: #8899aa;
    --r: 1rem;
    --font-h: 'Manrope', sans-serif;
    --font-b: 'Plus Jakarta Sans', sans-serif;
}

h1,h2,h3,h4 { font-family: var(--font-h); line-height: 1.2; color: var(--fg); }
p { color: var(--fg-muted); line-height: 1.75; }
strong { color: var(--fg); font-weight: 600; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.text-gradient { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-eyebrow { display: inline-block; font-family: var(--font-h); font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 1rem; }
.section-header { text-align: center; max-width: 720px; margin: 0 auto 4rem; }
.section-header h2 { font-size: clamp(1.75rem,3.5vw,2.75rem); font-weight: 700; margin-bottom: 1rem; }
.section-header p { color: var(--fg-muted); }
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .875rem 2rem; border-radius: 100px; font-family: var(--font-h); font-size: .9375rem; font-weight: 600; transition: all .2s; white-space: nowrap; }
.btn-primary { background: var(--grad); color: #000c12; }
.btn-primary:hover { opacity: .88; transform: translateY(-1px); }
.btn-outline { border: 1px solid rgba(255,255,255,.18); color: var(--fg); }
.btn-outline:hover { border-color: rgba(0,183,255,.5); color: #00B7FF; }

/* ═══════ HEADER ═══════ */
#occ-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 1.25rem 0; transition: all .3s; }
#occ-header.scrolled { background: rgba(0,12,18,.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); padding: .875rem 0; }
.header-inner { display: flex; align-items: center; gap: 2rem; }
.occ-logo { display: flex; flex-direction: column; line-height: 1; }
.occ-logo-mark { font-family: var(--font-h); font-size: 1.25rem; font-weight: 800; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.occ-logo-sub { font-size: .625rem; font-weight: 500; color: var(--fg-muted); letter-spacing: .05em; text-transform: uppercase; }
.desktop-nav { display: flex; align-items: center; gap: 1.75rem; margin-left: auto; }
.desktop-nav a { font-size: .875rem; font-weight: 500; color: var(--fg-muted); transition: color .2s; }
.desktop-nav a:hover, .desktop-nav a.nav-active { color: var(--fg); }
.header-cta { margin-left: 1.5rem; padding: .625rem 1.375rem; font-size: .875rem; }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; padding: .5rem; margin-left: auto; }
.mobile-toggle span { display: block; width: 22px; height: 2px; background: var(--fg); border-radius: 2px; transition: all .3s; }
.mobile-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { display: none; position: fixed; inset: 0; background: var(--bg); z-index: 99; padding: 6rem 2rem 2rem; overflow-y: auto; }
.mobile-menu.active { display: block; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 1.5rem; }
.mobile-menu nav a { font-size: 1.125rem; font-weight: 600; color: var(--fg); }

/* ═══════ HERO ═══════ */
.hero { padding: 9rem 0 6rem; position: relative; overflow: hidden; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; }
.hero-glow--1 { width: 600px; height: 600px; background: rgba(0,183,255,.07); top: -100px; left: -100px; }
.hero-glow--2 { width: 500px; height: 500px; background: rgba(0,232,187,.05); bottom: -100px; right: -200px; }
.hero-split { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.hero-badge { display: inline-block; font-family: var(--font-h); font-size: .75rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: #00B7FF; border: 1px solid rgba(0,183,255,.25); border-radius: 100px; padding: .5rem 1.25rem; margin-bottom: 2rem; }
.hero-content h1 { font-size: clamp(2rem,4vw,3.5rem); font-weight: 600; margin-bottom: 1.25rem; }
.hero-sub { font-size: 1rem; color: var(--fg-muted); margin-bottom: 2.5rem; line-height: 1.75; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Hero visual — fragmentation */
.hero-visual { background: var(--bg-card); border: 1px solid var(--border); border-radius: 1.25rem; padding: 1.75rem; }
.visual-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }
.visual-label { font-family: var(--font-h); font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--fg-muted); }
.visual-status-legend { display: flex; align-items: center; gap: .375rem; font-size: .7rem; color: var(--fg-muted); }
.legend-dot { width: .5rem; height: .5rem; border-radius: 50%; background: rgba(255,170,0,.8); display: inline-block; }
.fragment-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: .625rem; margin-bottom: .75rem; }
.frag-node { background: var(--bg); border: 1px solid var(--border); border-radius: .75rem; padding: .875rem .75rem; display: flex; flex-direction: column; gap: .5rem; position: relative; }
.frag-node svg { color: var(--fg-muted); opacity: .6; }
.frag-node span:last-child { font-family: var(--font-h); font-size: .75rem; font-weight: 600; color: var(--fg-muted); }
.frag-dot { position: absolute; top: .625rem; right: .625rem; width: .4375rem; height: .4375rem; border-radius: 50%; background: rgba(255,170,0,.8); box-shadow: 0 0 6px rgba(255,170,0,.4); }
.fragment-gap { display: flex; align-items: center; gap: .875rem; padding: .875rem 1.125rem; border: 1px dashed rgba(255,255,255,.1); border-radius: .75rem; }
.gap-icon { width: 2rem; height: 2rem; border-radius: 50%; border: 1px dashed rgba(255,255,255,.15); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--fg-muted); opacity: .5; }
.fragment-gap span { font-size: .8125rem; color: var(--fg-muted); opacity: .6; font-style: italic; }

/* ═══════ DOBRA 2 — PROBLEMA ═══════ */
.problem-section { padding: 7rem 0; background: var(--bg-2); }
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; margin-bottom: 4rem; }
.problem-text h2 { font-size: clamp(1.5rem,2.75vw,2.25rem); font-weight: 700; margin-bottom: 1.5rem; }
.problem-text p { color: var(--fg-muted); margin-bottom: 1rem; }
.tension-list { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--border); border-radius: var(--r); overflow: hidden; }
.tension-item { padding: 1.375rem 1.75rem; border-bottom: 1px solid var(--border); display: flex; flex-direction: column; gap: .25rem; transition: background .2s; }
.tension-item:last-child { border-bottom: none; }
.tension-item:hover { background: rgba(255,255,255,.02); }
.ti-exists { font-family: var(--font-h); font-size: .9375rem; font-weight: 600; color: var(--fg); }
.ti-but { font-size: .9375rem; color: var(--fg-muted); }
.problem-callout { text-align: center; padding: 3rem 2rem; border: 1px solid rgba(0,183,255,.15); border-radius: var(--r); background: rgba(0,183,255,.04); }
.problem-callout p { font-family: var(--font-h); font-size: clamp(1.125rem,2vw,1.5rem); font-weight: 600; color: var(--fg-muted); line-height: 1.6; }
.problem-callout p strong { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ═══════ DOBRA 3 — IMPACTO ═══════ */
.impact-section { padding: 7rem 0; }
.impact-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; margin-bottom: 3rem; }
.impact-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r); padding: 2.5rem 2rem; display: flex; flex-direction: column; gap: 1rem; transition: border-color .2s; }
.impact-card:hover { border-color: rgba(0,183,255,.25); }
.ic-number { font-family: var(--font-h); font-size: clamp(2.5rem,5vw,4rem); font-weight: 800; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; }
.ic-unit { font-size: .55em; }
.impact-card p { color: var(--fg-muted); font-size: .9375rem; line-height: 1.65; flex: 1; }
.ic-source { font-family: var(--font-h); font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--fg-muted); opacity: .6; }
.impact-footer { max-width: 680px; margin: 0 auto; text-align: center; color: var(--fg-muted); font-size: .9375rem; line-height: 1.75; }

/* ═══════ DOBRA 4 — STACK ═══════ */
.stack-section { padding: 7rem 0; background: var(--bg-2); }
.stack-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.stack-text h2 { font-size: clamp(1.5rem,2.75vw,2.25rem); font-weight: 700; margin-bottom: 1.5rem; }
.stack-text p { color: var(--fg-muted); margin-bottom: 1rem; }
.stack-visual { display: flex; flex-direction: column; gap: 1.5rem; }
.islands-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: .625rem; }
.island-tool { background: var(--bg-card); border: 1px solid var(--border); border-radius: .625rem; padding: .75rem 1rem; font-family: var(--font-h); font-size: .8125rem; font-weight: 600; color: var(--fg-muted); text-align: center; }
.islands-vs { display: flex; align-items: center; gap: 1rem; }
.vs-line { flex: 1; height: 1px; background: var(--border); }
.vs-label { font-family: var(--font-h); font-size: .75rem; font-weight: 600; color: var(--fg-muted); letter-spacing: .06em; flex-shrink: 0; }
.occ-center { display: flex; align-items: center; gap: 1.25rem; background: rgba(0,183,255,.07); border: 1px solid rgba(0,183,255,.2); border-radius: var(--r); padding: 1.25rem 1.5rem; }
.occ-center-mark { font-family: var(--font-h); font-size: 1.25rem; font-weight: 800; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; flex-shrink: 0; }
.occ-center-desc { font-size: .9375rem; font-weight: 500; color: var(--fg); }

/* ═══════ DOBRA 5 — CLOSING ═══════ */
.closing-section { padding: 7rem 0; }
.closing-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.closing-text h2 { font-size: clamp(1.5rem,2.75vw,2.25rem); font-weight: 700; margin-bottom: 1.5rem; }
.closing-text p { color: var(--fg-muted); margin-bottom: 1rem; }
.closing-quote { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r); padding: 3rem 2.5rem; position: relative; overflow: hidden; }
.closing-quote::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 0%, rgba(0,183,255,.08), transparent 60%); pointer-events: none; }
.closing-quote blockquote { margin-bottom: 2.5rem; position: relative; }
.closing-quote blockquote p { font-family: var(--font-h); font-size: clamp(1.125rem,1.75vw,1.375rem); font-weight: 700; color: var(--fg); line-height: 1.5; margin-bottom: .5rem; }
.closing-quote blockquote p:last-child { color: var(--fg-muted); font-weight: 500; font-size: clamp(1rem,1.5vw,1.125rem); }
.closing-actions { display: flex; flex-direction: column; gap: .75rem; position: relative; }
.closing-actions .btn { justify-content: center; }

/* ═══════ FOOTER ═══════ */
.occ-footer { background: var(--bg-2); border-top: 1px solid var(--border); padding: 3.5rem 0 2rem; }
.footer-inner { display: grid; grid-template-columns: auto 1fr auto; gap: 3rem; align-items: start; padding-bottom: 2.5rem; border-bottom: 1px solid var(--border); margin-bottom: 2rem; }
.footer-brand .occ-logo-mark { font-family: var(--font-h); font-size: 1.125rem; font-weight: 800; background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.footer-brand p { font-size: .75rem; color: var(--fg-muted); margin-top: .25rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: .75rem 1.75rem; align-items: center; }
.footer-nav a { font-size: .875rem; color: var(--fg-muted); transition: color .2s; }
.footer-nav a:hover { color: var(--fg); }
.footer-weuny a { font-size: .875rem; color: var(--fg-muted); transition: color .2s; }
.footer-weuny a:hover { color: var(--fg); }
.footer-weuny strong { color: #00B7FF; }
.footer-bottom p { font-size: .8125rem; color: var(--fg-muted); }

/* ═══════ RESPONSIVE ═══════ */
@media (max-width: 900px) {
    .desktop-nav, .header-cta { display: none; }
    .mobile-toggle { display: flex; }
    .hero-split { grid-template-columns: 1fr; gap: 3rem; }
    .problem-grid, .stack-inner, .closing-inner { grid-template-columns: 1fr; gap: 3rem; }
    .impact-cards { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 600px) {
    .hero { padding: 8rem 0 5rem; }
    .problem-section, .impact-section, .stack-section, .closing-section { padding: 5rem 0; }
    .closing-quote { padding: 2rem 1.5rem; }
}