:root {
  --bg: #FFFFFF;
  --ink: #111111;
  --gray: #666666;
  --hairline: #E2E2E2;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-weight: 700; text-transform: uppercase; line-height: 1.25; }
h1 { font-size: clamp(1.8rem, 4.5vw, 3.2rem); letter-spacing: .14em; }
h2 { font-size: clamp(1.2rem, 2.6vw, 1.7rem); letter-spacing: .18em; margin-bottom: 1.4rem; }
h3 { font-size: .95rem; letter-spacing: .14em; margin-bottom: .8rem; }
p { margin-bottom: 1rem; font-size: .95rem; color: var(--ink); }
.en { font-style: italic; color: var(--gray); font-size: .85rem; }
a { color: var(--ink); }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 28px; }
.narrow { max-width: 760px; margin: 0 auto; padding: 0 28px; }

/* NAV */
nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 26px 0; position: sticky; top: 0; background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px); z-index: 50; border-bottom: 1px solid var(--hairline);
}
nav .logo {
  font-size: .95rem; font-weight: 700; letter-spacing: .22em; text-transform: lowercase;
  color: var(--ink); text-decoration: none;
}
nav .logo .dot { display:inline-block; width:18px; height:18px; background:var(--ink); border-radius:50%; position:relative; vertical-align:-3px; margin-right:10px; }
nav .logo .dot::after { content:""; position:absolute; width:5px; height:5px; border:1.5px solid #fff; border-radius:50%; right:3px; top:6px; }
nav ul { display: flex; gap: 32px; list-style: none; align-items: center; }
nav ul a { text-decoration: none; color: var(--ink); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; }
nav ul a:hover { color: var(--gray); }
@media (max-width: 760px) { nav ul { display: none; } }

/* HERO */
.hero { padding: 110px 0 90px; text-align: center; }
.eyebrow {
  display: inline-block; font-size: .72rem; letter-spacing: .28em; text-transform: uppercase;
  color: var(--gray); margin-bottom: 28px;
}
.hero-frame {
  display: inline-block; border: 1px solid var(--ink); padding: 36px 48px; margin-bottom: 32px;
}
.hero p.lead { font-size: 1.02rem; color: var(--ink); max-width: 620px; margin: 0 auto 14px; }

/* BUTTONS */
.btn {
  display: inline-block; padding: 16px 40px; text-decoration: none;
  font-weight: 600; font-size: .78rem; letter-spacing: .2em; text-transform: uppercase;
  border: 1px solid var(--ink); cursor: pointer; transition: all .2s;
  font-family: 'Inter', sans-serif; background: transparent; color: var(--ink);
}
.btn-solid { background: var(--ink); color: #fff; }
.btn-solid:hover { background: #fff; color: var(--ink); }
.btn:hover { background: var(--ink); color: #fff; }
.btn-solid.btn:hover { background: #fff; color: var(--ink); }
.btn-block { display: block; width: 100%; text-align: center; }

/* SECTIONS */
section { padding: 90px 0; border-top: 1px solid var(--hairline); background: var(--bg); }
.section-black { background: var(--ink); color: #fff; border-top: none; }
.section-black h2, .section-black p, .section-black a { color: #fff; }
.section-black .en, .section-black .eyebrow { color: #999; }

/* NUMBERED ITEMS (deck style) */
.num {
  display: inline-block; border: 1px solid var(--ink); font-weight: 700;
  padding: 8px 16px; font-size: .9rem; margin-bottom: 18px; letter-spacing: .1em;
}
.section-black .num { border-color: #fff; }

/* GRID / CARDS */
.grid { display: grid; gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } }
.cell { background: var(--bg); padding: 48px 40px; }
.cell ul { list-style: none; margin: 14px 0 20px; }
.cell ul li { padding: 6px 0 6px 22px; position: relative; font-size: .9rem; }
.cell ul li::before { content: "—"; position: absolute; left: 0; color: var(--gray); }
.cell .price { font-size: 1.9rem; font-weight: 700; margin: 14px 0 2px; letter-spacing: .04em; }
.cell .price small { font-size: .85rem; color: var(--gray); font-weight: 400; letter-spacing: 0; }
.cell.featured { outline: 2px solid var(--ink); outline-offset: -2px; }

/* NUMBERS STRIP */
.numbers { display: flex; flex-wrap: wrap; gap: 0; justify-content: center; text-align: center; border: 1px solid var(--hairline); }
.numbers > div { flex: 1 1 160px; padding: 36px 16px; border-right: 1px solid var(--hairline); }
.numbers > div:last-child { border-right: none; }
.numbers strong { display: block; font-size: 2.4rem; font-weight: 700; letter-spacing: .02em; }
.numbers span { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gray); }

/* QUIZ */
.quiz-box { border: 1px solid var(--ink); padding: 56px 48px; margin: 48px auto; max-width: 680px; background: #fff; }
@media (max-width: 600px) { .quiz-box { padding: 36px 24px; } }
.quiz-progress { height: 2px; background: var(--hairline); margin-bottom: 40px; overflow: hidden; }
.quiz-progress div { height: 100%; background: var(--ink); transition: width .3s; }
.quiz-q { font-size: 1.15rem; font-weight: 600; margin-bottom: 28px; line-height: 1.5; }
.quiz-opt {
  display: block; width: 100%; text-align: left; background: #fff; border: 1px solid var(--hairline);
  padding: 16px 20px; margin-bottom: 10px; font-size: .92rem; cursor: pointer;
  font-family: 'Inter', sans-serif; transition: all .15s; color: var(--ink);
}
.quiz-opt:hover { border-color: var(--ink); }
.quiz-step { font-size: .7rem; letter-spacing: .26em; text-transform: uppercase; color: var(--gray); margin-bottom: 14px; }
input[type=text], input[type=tel], input[type=email] {
  width: 100%; padding: 15px 18px; border: 1px solid var(--hairline);
  font-size: .95rem; margin-bottom: 14px; font-family: 'Inter', sans-serif; background: #fff;
}
input:focus { outline: none; border-color: var(--ink); }
.result-stage { font-size: 1.5rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; margin: 10px 0 20px; }
.hidden { display: none; }

/* FAQ / MISC */
details { border: 1px solid var(--hairline); padding: 20px 24px; margin-bottom: 10px; }
details summary { font-weight: 600; cursor: pointer; font-size: .92rem; }
details p { margin-top: 12px; color: var(--gray); font-size: .9rem; }
blockquote { font-size: 1.3rem; font-weight: 600; text-align: center; max-width: 720px; margin: 0 auto; line-height: 1.5; letter-spacing: .02em; }
blockquote cite { display: block; font-size: .75rem; font-style: normal; font-weight: 400; margin-top: 20px; letter-spacing: .2em; text-transform: uppercase; color: var(--gray); }
footer { padding: 56px 0; text-align: center; font-size: .78rem; color: var(--gray); border-top: 1px solid var(--hairline); letter-spacing: .04em; }
footer a { color: var(--gray); }
.center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.tagline { font-size: .72rem; letter-spacing: .3em; text-transform: uppercase; color: var(--gray); }

/* PARALLAX VIDEO (fio condutor) */
.video-bg { position: fixed; inset: 0; z-index: -1; background: #111; }
.video-bg video { width: 100%; height: 100%; object-fit: cover; }
.reveal { height: 52vh; background: transparent; border-top: none; }
.reveal-hero { height: 88vh; display: flex; align-items: flex-end; justify-content: center; padding-bottom: 56px; }

/* DISPLAY HEADLINES (itálico seletivo) */
.display {
  font-size: clamp(2rem, 5.5vw, 4.2rem); font-weight: 700; text-transform: uppercase;
  letter-spacing: .08em; line-height: 1.15; margin-bottom: 1.6rem;
}
.display em, h2 em { font-style: italic; font-weight: 400; text-transform: none; letter-spacing: .02em; }

/* SECTION TAGS (editorial) */
.sec-tag {
  display: inline-block; background: var(--ink); color: #fff; padding: 7px 16px;
  font-size: .66rem; letter-spacing: .26em; text-transform: uppercase; font-weight: 600;
  margin-bottom: 28px;
}
.section-black .sec-tag { background: #fff; color: var(--ink); }

/* GLASS STATS sobre o vídeo */
.glass-numbers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 900px) { .glass-numbers { grid-template-columns: repeat(2, 1fr); } }
.glass-numbers > div {
  background: rgba(255,255,255,.82); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  padding: 40px 20px; text-align: center;
}
.glass-numbers strong { display: block; font-size: 2.8rem; font-weight: 700; }
.glass-numbers span { font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gray); }

/* FOOTER WORDMARK */
.wordmark {
  font-size: clamp(1.6rem, 7vw, 5.4rem); font-weight: 700; letter-spacing: .1em;
  text-transform: lowercase; color: var(--ink); line-height: 1; margin-bottom: 32px;
  white-space: nowrap;
}