* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }

:root {
  --black: #0b0d12;
  --panel: #12151c;
  --line: rgba(255,255,255,0.09);
  --accent: #4f8ef7;
  --accent-2: #8ab4ff;
  --white: #f2f4f8;
  --muted: #99a1b3;
  --sans: 'Inter', -apple-system, Arial, sans-serif;
  --serif: 'Playfair Display', Georgia, serif;
  --ease: cubic-bezier(.16,.84,.32,1);
  --grad: linear-gradient(120deg, var(--accent), var(--accent-2));
}

body { background: var(--black); color: var(--white); font-family: var(--sans); line-height: 1.65; }
.text-gradient { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 5vw; }
.container.narrow { max-width: 760px; }
.section { padding: 100px 0; }
.section-alt { background: var(--panel); }
.eyebrow { display: block; font-size: 0.78rem; letter-spacing: 0.14rem; text-transform: uppercase; color: var(--accent-2); margin-bottom: 14px; font-weight: 600; }
h1, h2 { font-family: var(--serif); font-weight: 600; line-height: 1.2; }

/* header */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 20px 5vw; background: rgba(11,13,18,0.85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; justify-content: space-between; align-items: center; max-width: 1180px; margin: 0 auto; }
.logo { font-family: var(--serif); font-weight: 700; font-size: 1.15rem; }
.logo span { color: var(--accent-2); }
.main-nav { display: flex; gap: 28px; font-size: 0.88rem; color: var(--muted); }
.main-nav a:hover { color: var(--white); }

/* hero */
.hero { padding: 190px 0 100px; }
.hero h1 { font-size: clamp(2.2rem, 4.6vw, 3.4rem); margin: 16px 0 20px; max-width: 820px; }
.hero-sub { color: var(--muted); max-width: 560px; font-size: 1.05rem; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; font-size: 0.88rem; font-weight: 600; padding: 14px 28px; border-radius: 10px; transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.btn-ic { width: 18px; height: 18px; }
.btn-primary { background: var(--grad); color: #111; box-shadow: 0 10px 26px rgba(79,142,247,0.3); }
.btn-primary:hover { transform: translateY(-3px); }
.btn-outline { border: 1.5px solid var(--accent); color: var(--accent-2); }
.btn-outline:hover { background: rgba(79,142,247,0.1); }
.btn-huge { padding: 20px 44px; font-size: 1.05rem; }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* reveal */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
[data-reveal].in-view { opacity: 1; transform: translateY(0); }

/* case cards */
.case-card { border: 1px solid var(--line); border-radius: 22px; padding: 44px; margin-bottom: 40px; background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent); }
.case-tag { display: inline-block; font-size: 0.7rem; letter-spacing: 0.1rem; text-transform: uppercase; color: var(--accent-2); border: 1px solid var(--accent); border-radius: 20px; padding: 5px 14px; margin-bottom: 20px; }
.case-tag-product { color: #2ecf7a; border-color: #2ecf7a; }
.case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.case-sector { display: block; font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05rem; margin-bottom: 6px; }
.case-info h2 { font-size: 1.8rem; margin-bottom: 14px; }
.case-desc { color: var(--muted); margin-bottom: 20px; }
.case-points { margin-bottom: 20px; }
.point { font-size: 0.88rem; color: var(--white); margin-bottom: 10px; line-height: 1.6; }
.point strong { color: var(--accent-2); }
.case-status { font-size: 0.76rem; color: var(--muted); margin-bottom: 20px; font-style: italic; }

.case-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.case-compare-single { grid-template-columns: 1fr; }
.case-compare-single .compare-col iframe { aspect-ratio: 4/5; }
.compare-col { display: flex; flex-direction: column; gap: 8px; }
.compare-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06rem; color: var(--muted); text-align: center; }
.compare-label.depois { color: var(--accent-2); font-weight: 700; }
.compare-col iframe {
  width: 100%; aspect-ratio: 3/4; border: 1px solid var(--line); border-radius: 12px;
  background: #fff; pointer-events: none;
}

/* footer / cta */
.cta-final { padding: 130px 0; text-align: center; background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(79,142,247,0.12), transparent 70%), var(--panel); }
.cta-final h2 { font-size: clamp(2rem, 4.6vw, 2.8rem); margin-bottom: 16px; }
.cta-final p { color: var(--muted); margin-bottom: 34px; }
.site-footer { padding: 30px 0; border-top: 1px solid var(--line); text-align: center; color: var(--muted); font-size: 0.8rem; }

@media (max-width: 900px) {
  .case-grid { grid-template-columns: 1fr; }
  .case-compare { order: -1; }
}