/* ================= Tokens (cores da fachada: verde-água + grafite) ================= */
:root {
  --teal: #1f6f68;
  --teal-2: #2e978c;
  --teal-3: #5cc0b3;
  --mint: #e7f3f0;
  --graphite: #23282b;
  --graphite-2: #353b3f;
  --ink: #1d2427;
  --muted: #5c686b;
  --paper: #fbfaf7;
  --soft: #f3f1ec;
  --blush: #f5e3df;
  --line: rgba(29, 36, 39, .1);
  --shadow: 0 24px 60px -24px rgba(31, 111, 104, .35);
  --shadow-dark: 0 30px 60px -20px rgba(0, 0, 0, .45);
  --radius: 24px;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --script: "Pinyon Script", "Brush Script MT", cursive;
  --ease: cubic-bezier(.2, .75, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; font-family: var(--sans); color: var(--ink); background: var(--paper); line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.08; margin: 0 0 .5em; letter-spacing: -.015em; }
h1 em, h2 em { font-style: italic; font-weight: 300; color: var(--teal-2); }
h2 { font-size: clamp(2rem, 4.2vw, 3.3rem); }
h3 { font-size: 1.35rem; }
p { margin: 0 0 1em; }
strong { font-weight: 700; }
.container { width: min(1200px, 100% - 32px); margin-inline: auto; }
::selection { background: var(--teal-3); color: #fff; }
:focus-visible { outline: 2px solid var(--teal-2); outline-offset: 3px; border-radius: 6px; }

.progress { position: fixed; inset: 0 auto auto 0; height: 3px; width: 100%; transform-origin: 0 50%; transform: scaleX(0); background: linear-gradient(90deg, var(--teal), var(--teal-3)); z-index: 100; }

/* ================= Buttons ================= */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .6em; padding: .9em 1.55em; border-radius: 999px; font-weight: 600; font-size: .95rem; border: 1.5px solid transparent; cursor: pointer; white-space: nowrap; transition: transform .3s var(--ease), background .3s, color .3s, border-color .3s, box-shadow .3s; }
.btn svg { width: 1.25em; height: 1.25em; fill: currentColor; }
.btn--lg { padding: 1.05em 1.9em; font-size: 1rem; }
.btn--primary { background: var(--teal); color: #fff; box-shadow: 0 14px 30px -14px rgba(31,111,104,.8); }
.btn--primary:hover { background: var(--teal-2); }
.btn--ghost { border-color: var(--line); background: rgba(255,255,255,.5); }
.btn--ghost:hover { border-color: var(--teal); color: var(--teal); }
.btn--light { background: #fff; color: var(--teal); }
.btn--light:hover { background: var(--mint); }
.btn:active { transform: scale(.97); }

/* ================= Header ================= */
.header { position: fixed; inset: 0 0 auto; z-index: 50; padding: 18px 0; transition: padding .3s, background .3s, box-shadow .3s; }
.header.is-scrolled { padding: 10px 0; background: rgba(251,250,247,.85); backdrop-filter: blur(16px) saturate(1.4); box-shadow: 0 1px 0 var(--line); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; position: relative; z-index: 2; }
.brand__mark { width: 46px; height: 46px; border-radius: 50%; border: 1.5px solid var(--teal); color: var(--teal); display: grid; place-items: center; font-family: var(--script); font-size: 1.9rem; line-height: 1; padding-top: 4px; transition: background .3s, color .3s; }
.brand:hover .brand__mark { background: var(--teal); color: #fff; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__text strong { font-weight: 700; font-size: 1.02rem; letter-spacing: .16em; text-transform: uppercase; color: var(--teal); }
.brand__text small { font-size: .64rem; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }
.brand--light .brand__mark { border-color: var(--teal-3); color: var(--teal-3); }
.brand--light .brand__text strong { color: #fff; }
.brand--light .brand__text small { color: rgba(255,255,255,.55); }

.nav { display: flex; align-items: center; gap: 28px; font-size: .92rem; font-weight: 500; }
.nav a:not(.btn) { position: relative; opacity: .8; transition: opacity .2s; }
.nav a:not(.btn)::after { content: ""; position: absolute; left: 0; bottom: -5px; height: 1.5px; width: 100%; background: var(--teal-2); transform: scaleX(0); transform-origin: right; transition: transform .35s var(--ease); }
.nav a:not(.btn):hover, .nav a.is-current { opacity: 1; }
.nav a:not(.btn):hover::after, .nav a.is-current::after { transform: scaleX(1); transform-origin: left; }
.nav__cta { padding: .7em 1.25em; }
.burger { display: none; position: relative; z-index: 2; background: none; border: 0; width: 44px; height: 44px; padding: 10px; cursor: pointer; }
.burger span { display: block; height: 2px; margin: 5px 0; background: var(--ink); border-radius: 2px; transition: transform .3s, opacity .3s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ================= Hero ================= */
.hero { position: relative; padding: 150px 0 110px; overflow: hidden; background: linear-gradient(180deg, var(--mint) 0%, var(--paper) 100%); }
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.blob { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .55; animation: drift 18s ease-in-out infinite alternate; }
.b1 { width: 520px; height: 520px; background: #bfe5de; top: -160px; right: -120px; }
.b2 { width: 420px; height: 420px; background: var(--blush); bottom: -180px; left: -140px; animation-delay: -9s; }
@keyframes drift { to { transform: translate(40px, 30px) scale(1.08); } }
.hero__grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.hero h1 { font-size: clamp(2.7rem, 6.2vw, 5rem); margin-bottom: .4em; }
.rotator { display: inline-block; color: var(--teal-2); font-style: italic; font-weight: 300; position: relative; }
.rotator__word { display: inline-block; transition: transform .5s var(--ease), opacity .5s, filter .5s; }
.rotator__word.is-out { transform: translateY(-40%); opacity: 0; filter: blur(6px); }
.rotator__word.is-in { transform: translateY(40%); opacity: 0; filter: blur(6px); }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 33em; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 7px 15px; margin-bottom: 26px; font-size: .82rem; font-weight: 600; border-radius: 999px; background: rgba(255,255,255,.75); border: 1px solid var(--line); backdrop-filter: blur(8px); }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: #9aa5a8; flex: none; }
.status-dot.is-open { background: #2bb673; box-shadow: 0 0 0 0 rgba(43,182,115,.6); animation: pulse 2s infinite; }
.status-dot.is-closed { background: #e0796a; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(43,182,115,0); } 100% { box-shadow: 0 0 0 0 rgba(43,182,115,0); } }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 36px 0 44px; }
.hero__trust { list-style: none; padding: 0; margin: 0; display: flex; gap: 32px; flex-wrap: wrap; align-items: center; }
.hero__trust li { display: flex; flex-direction: column; line-height: 1.25; padding-left: 20px; border-left: 1px solid var(--line); }
.hero__trust li:first-child { padding: 0; border: 0; }
.hero__trust strong { font-family: var(--serif); font-weight: 500; font-size: 1.3rem; }
.hero__trust small { color: var(--muted); font-size: .8rem; }
.g-badge { display: flex; align-items: center; gap: 12px; background: #fff; border-radius: 16px; padding: 10px 16px; box-shadow: 0 10px 30px -15px rgba(0,0,0,.25); transition: transform .3s var(--ease); }
.g-badge:hover { transform: translateY(-3px); }
.g-badge svg { width: 28px; height: 28px; }
.g-badge span { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 6px; }
.g-badge small { width: 100%; }
.stars { font-style: normal; color: #f2b01e; letter-spacing: 2px; font-size: .85rem; }
.stars--lg { font-size: 1.5rem; }

.hero__visual { position: relative; transform-style: preserve-3d; transition: transform .4s var(--ease); }
.hero__frame { position: relative; border-radius: 260px 260px 32px 32px; overflow: hidden; aspect-ratio: 4 / 4.6; box-shadow: var(--shadow); background: var(--soft); }
.hero__frame img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; transform: scale(1.04); transition: transform 1.2s var(--ease); }
.hero__visual:hover .hero__frame img { transform: scale(1.08); }
.hero__orbit { position: absolute; width: 150px; top: -34px; right: -30px; z-index: -1; }
.hero__orbit circle { fill: none; stroke: var(--teal-2); stroke-dasharray: 3 7; transform-origin: center; animation: spin 40s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.float-card { position: absolute; z-index: 3; display: flex; align-items: center; gap: 12px; padding: 13px 18px; border-radius: 18px; font-size: .84rem; line-height: 1.3; background: rgba(255,255,255,.92); backdrop-filter: blur(12px); box-shadow: 0 20px 40px -18px rgba(0,0,0,.3); animation: float 6s ease-in-out infinite; transform: translateZ(40px); }
.float-card small { display: block; color: var(--muted); }
.float-card--a { left: -44px; top: 22%; }
.float-card--b { right: -30px; bottom: 12%; animation-delay: -3s; }
.float-card__icon { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--teal); color: #fff; font-size: .9rem; }
.float-card__icon--soft { background: var(--blush); color: #c0564a; }
@keyframes float { 50% { translate: 0 -10px; } }
.scroll-cue { position: absolute; left: 50%; bottom: 28px; width: 26px; height: 42px; border: 1.5px solid rgba(29,36,39,.3); border-radius: 20px; translate: -50% 0; }
.scroll-cue span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 4px; background: var(--teal); animation: cue 1.8s infinite; }
@keyframes cue { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* ================= Marquee ================= */
.marquee { background: var(--graphite); color: #fff; padding: 20px 0; overflow: hidden; }
.marquee__track { display: flex; gap: 34px; width: max-content; animation: marquee 45s linear infinite; font-family: var(--serif); font-style: italic; font-weight: 300; font-size: 1.35rem; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee i { font-style: normal; color: var(--teal-3); font-size: .85rem; align-self: center; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ================= Sections ================= */
.section { padding: 120px 0; position: relative; }
.section--soft { background: var(--soft); }
.section--dark { background: var(--graphite); color: #fff; }
.kicker { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; font-size: .76rem; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--teal-2); }
.kicker::before { content: ""; width: 30px; height: 1.5px; background: currentColor; }
.kicker--light { color: var(--teal-3); }
.section__head { max-width: 700px; margin-bottom: 60px; }
.section__head > p:last-child { color: var(--muted); font-size: 1.05rem; }
.section__head--center { margin-inline: auto; text-align: center; }
.section__head--center .kicker { justify-content: center; }
.section--dark .section__head > p:last-child { color: rgba(255,255,255,.65); }
.section--dark h2 em { color: var(--teal-3); }
.section__head--row { max-width: none; display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px; align-items: end; }
.section__head--row > p { margin: 0; color: var(--muted); }

/* About */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about__copy > p { color: var(--muted); font-size: 1.04rem; }
.about__copy strong { color: var(--ink); font-weight: 600; }
.signature { font-family: var(--script); font-size: 3rem; color: var(--teal); line-height: 1; margin-top: 10px; }
.creds { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.cred { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 26px; transition: box-shadow .4s, border-color .4s, transform .4s var(--ease); transform-style: preserve-3d; }
.cred:hover { box-shadow: var(--shadow); border-color: transparent; }
.cred__num { display: block; font-family: var(--serif); font-size: 1rem; color: var(--teal-2); margin-bottom: 20px; }
.cred h3 { font-size: 1.2rem; }
.cred p { color: var(--muted); font-size: .9rem; margin: 0; }
.cred:nth-child(2) { translate: 0 30px; }
.cred:nth-child(4) { translate: 0 30px; }
.cred--accent { background: linear-gradient(150deg, var(--teal), #17534e); color: #fff; border: 0; display: flex; flex-direction: column; justify-content: space-between; }
.cred--accent p { color: rgba(255,255,255,.8); }
.cred__big { font-family: var(--serif); font-size: 4.2rem; font-weight: 300; line-height: 1; }

/* Treatments */
.treat { display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; align-items: stretch; }
.treat__list { display: flex; flex-direction: column; }
.treat__list button { display: flex; align-items: center; gap: 18px; text-align: left; background: none; border: 0; border-bottom: 1px solid var(--line); padding: 22px 6px; cursor: pointer; font-family: var(--serif); font-size: 1.35rem; color: var(--muted); transition: color .3s, padding .35s var(--ease); position: relative; }
.treat__list button span { font-family: var(--sans); font-size: .75rem; font-weight: 700; color: var(--teal-2); opacity: .5; transition: opacity .3s; }
.treat__list button::after { content: "→"; margin-left: auto; opacity: 0; transform: translateX(-10px); transition: .35s var(--ease); color: var(--teal); font-family: var(--sans); }
.treat__list button:hover, .treat__list button[aria-selected="true"] { color: var(--ink); padding-left: 14px; }
.treat__list button[aria-selected="true"] span { opacity: 1; }
.treat__list button[aria-selected="true"]::after { opacity: 1; transform: none; }
.treat__panel { background: #fff; border-radius: 28px; overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--shadow); align-self: start; }
.treat__media { overflow: hidden; position: relative; aspect-ratio: 4 / 3; background: var(--graphite); }
.treat__media::before { content: ""; position: absolute; inset: -30px; background: var(--bg) center / cover; filter: blur(28px) brightness(.75); transition: background-image .35s; }
.treat__media img { position: relative; width: 100%; height: 100%; object-fit: contain; transition: opacity .35s; }
.treat__media img.is-rot { position: absolute; left: 50%; top: 50%; width: 75%; height: auto; transform: translate(-50%, -50%) rotate(90deg); }
.treat__media img.is-swap { opacity: 0; }
.treat__body { padding: 34px 38px 38px; }
.treat__body > p { color: var(--muted); }
.treat__body.is-swap { opacity: 0; transform: translateY(10px); }
.treat__body { transition: opacity .35s, transform .35s var(--ease); }
.tag { display: inline-block; padding: 5px 12px; margin-bottom: 14px; border-radius: 999px; background: var(--mint); color: var(--teal); font-size: .7rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.tag:empty { display: none; }
.treat__facts { list-style: none; padding: 0; margin: 6px 0 26px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.treat__facts li { background: var(--soft); border-radius: 14px; padding: 12px 16px; line-height: 1.35; }
.treat__facts small { display: block; color: var(--muted); font-size: .74rem; text-transform: uppercase; letter-spacing: .1em; }
.treat__facts strong { font-size: .92rem; font-weight: 600; }

/* Versus */
.versus { max-width: 860px; margin-inline: auto; background: var(--graphite-2); border: 1px solid rgba(255,255,255,.08); border-radius: 32px; padding: 40px; box-shadow: var(--shadow-dark); }
.versus__toggle { position: relative; display: grid; grid-template-columns: 1fr 1fr; padding: 6px; margin: 0 auto 36px; max-width: 380px; border-radius: 999px; background: rgba(0,0,0,.3); }
.versus__toggle button { position: relative; z-index: 1; padding: 12px; border: 0; background: none; color: rgba(255,255,255,.7); font-weight: 700; cursor: pointer; border-radius: 999px; transition: color .3s; }
.versus__toggle button.is-active { color: var(--graphite); }
.versus__pill { position: absolute; top: 6px; bottom: 6px; left: 6px; width: calc(50% - 6px); border-radius: 999px; background: #fff; transition: transform .45s var(--ease); }
.versus__grid[data-versus="resina"] ~ .versus__pill, .versus[data-mode="resina"] .versus__pill { transform: translateX(100%); }
.versus__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 40px; }
.meter span { display: block; font-size: .85rem; color: rgba(255,255,255,.65); margin-bottom: 8px; }
.meter__bar { height: 8px; border-radius: 8px; background: rgba(255,255,255,.08); overflow: hidden; }
.meter__bar i { display: block; height: 100%; width: var(--p); border-radius: inherit; background: linear-gradient(90deg, var(--teal-2), var(--teal-3)); transition: width .8s var(--ease); }
.versus:not(.is-in) .meter__bar i { width: 0; }
.meter b { display: block; margin-top: 8px; font-family: var(--serif); font-weight: 400; font-size: 1.1rem; }
.versus__note { margin: 34px 0 0; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.1); text-align: center; color: rgba(255,255,255,.75); font-family: var(--serif); font-style: italic; font-size: 1.15rem; transition: opacity .3s; }

/* Smiles gallery */
.smiles { display: grid; grid-template-columns: 1.3fr 1fr 1fr; grid-template-rows: 280px 280px; gap: 18px; }
.smile { position: relative; overflow: hidden; border-radius: var(--radius); border: 0; padding: 0; cursor: zoom-in; background: var(--soft); }
.smile:first-child { grid-row: span 2; }
.smile img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.smile--rot img { transform: rotate(90deg) scale(1.34); }
.smile:hover img { transform: scale(1.06); }
.smile--rot:hover img { transform: rotate(90deg) scale(1.42); }
.smile > span { position: absolute; left: 16px; bottom: 16px; padding: 7px 14px; border-radius: 999px; background: rgba(255,255,255,.9); backdrop-filter: blur(8px); font-size: .8rem; font-weight: 600; transform: translateY(8px); opacity: 0; transition: .4s var(--ease); }
.smile:hover > span, .smile:focus-visible > span { transform: none; opacity: 1; }
.smile--insta { grid-column: span 2; display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; gap: 4px; padding: 30px; cursor: pointer; color: #fff; background: linear-gradient(135deg, #1f6f68 0%, #2e978c 45%, #d98b8b 100%); background-size: 200% 200%; transition: background-position .8s var(--ease); }
.smile--insta:hover { background-position: 100% 100%; }
.smile--insta svg { width: 40px; height: 40px; fill: none; stroke: #fff; stroke-width: 1.6; margin-bottom: auto; }
.smile--insta strong { font-family: var(--serif); font-weight: 400; font-size: 1.6rem; }
.smile--insta small { opacity: .85; }

/* Quiz */
.quiz { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: center; }
.quiz__intro > p { color: var(--muted); }
.quiz__card { position: relative; background: #fff; border-radius: 28px; padding: 40px; box-shadow: var(--shadow); min-height: 400px; overflow: hidden; }
.quiz__progress { height: 4px; border-radius: 4px; background: var(--soft); margin-bottom: 30px; overflow: hidden; }
.quiz__progress i { display: block; height: 100%; width: 0; background: var(--teal-2); border-radius: inherit; transition: width .5s var(--ease); }
.quiz__step { display: none; }
.quiz__step.is-active { display: block; animation: stepIn .5s var(--ease); }
@keyframes stepIn { from { opacity: 0; transform: translateX(24px); } }
.quiz__step small { color: var(--teal-2); font-weight: 700; font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; }
.quiz__step h3 { font-size: 1.7rem; margin: 10px 0 24px; }
.quiz__opts { display: grid; gap: 12px; }
.quiz__opts button { text-align: left; padding: 17px 20px; border-radius: 16px; border: 1.5px solid var(--line); background: var(--paper); cursor: pointer; font-weight: 600; transition: border-color .25s, background .25s, transform .25s var(--ease); display: flex; justify-content: space-between; align-items: center; }
.quiz__opts button::after { content: "→"; color: var(--teal); opacity: 0; transform: translateX(-6px); transition: .25s; }
.quiz__opts button:hover { border-color: var(--teal-2); background: var(--mint); transform: translateX(4px); }
.quiz__opts button:hover::after { opacity: 1; transform: none; }
.quiz__result h3 { font-size: 2.1rem; color: var(--teal); }
.quiz__result p { color: var(--muted); }
.quiz__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.steps li { position: relative; padding: 32px 26px 0 0; border-top: 1.5px solid var(--line); }
.steps li::before { content: ""; position: absolute; top: -1.5px; left: 0; height: 1.5px; width: 0; background: var(--teal); transition: width 1.2s var(--ease) .3s; }
.steps li.is-in::before { width: 100%; }
.steps li span { display: block; font-family: var(--serif); font-size: 3rem; font-weight: 300; color: var(--teal-2); line-height: 1; margin-bottom: 18px; }
.steps p { color: var(--muted); font-size: .95rem; }

/* Reviews */
.reviews { display: grid; grid-template-columns: auto 1fr; gap: 70px; align-items: center; background: #fff; border-radius: 32px; padding: 60px; box-shadow: var(--shadow); }
.reviews__score { text-align: center; padding-right: 70px; border-right: 1px solid var(--line); display: flex; flex-direction: column; align-items: center; }
.reviews__score strong { font-family: var(--serif); font-weight: 300; font-size: 6rem; line-height: 1; color: var(--teal); }
.reviews__score small { color: var(--muted); margin-top: 6px; }
.reviews__copy p { color: var(--muted); max-width: 36em; }
.reviews__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 10px; }

/* FAQ */
.faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.faq__intro { position: sticky; top: 120px; }
.faq__intro p { color: var(--muted); }
.faq__list details { border-bottom: 1px solid var(--line); }
.faq__list summary { position: relative; list-style: none; cursor: pointer; padding: 26px 56px 26px 0; font-family: var(--serif); font-size: 1.28rem; transition: color .2s; }
.faq__list summary:hover { color: var(--teal); }
.faq__list summary::-webkit-details-marker { display: none; }
.faq__list summary::after { content: "+"; position: absolute; right: 0; top: 50%; width: 38px; height: 38px; margin-top: -19px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; font-family: var(--sans); font-size: 1.2rem; transition: transform .35s var(--ease), background .3s, color .3s; }
.faq__list details[open] summary::after { transform: rotate(45deg); background: var(--teal); border-color: var(--teal); color: #fff; }
.faq__list details p { margin: 0; padding-bottom: 26px; color: var(--muted); max-width: 42em; animation: fadeDown .4s var(--ease); }
@keyframes fadeDown { from { opacity: 0; transform: translateY(-6px); } }

/* CTA */
.cta { padding: 0 0 10px; }
.cta__inner { position: relative; overflow: hidden; text-align: center; color: #fff; padding: 100px 30px; border-radius: 36px; background: radial-gradient(700px 300px at 85% 0%, rgba(92,192,179,.5), transparent 60%), linear-gradient(140deg, var(--teal), #15504b); }
.cta__inner h2 { max-width: 15em; margin-inline: auto; }
.cta__inner h2 em { color: #c8f0e9; }
.cta__inner p { color: rgba(255,255,255,.8); margin-bottom: 34px; }
.cta__mark { position: absolute; right: -40px; bottom: -120px; font-family: var(--script); font-size: 26rem; line-height: 1; color: rgba(255,255,255,.07); pointer-events: none; }

/* Contact */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.contact__media { position: relative; }
.contact__media img { border-radius: 28px; width: 100%; aspect-ratio: 4 / 5; object-fit: cover; box-shadow: var(--shadow); }
.open-card { position: absolute; left: 24px; bottom: 24px; right: 24px; display: flex; align-items: center; gap: 14px; padding: 16px 20px; border-radius: 18px; background: rgba(255,255,255,.92); backdrop-filter: blur(12px); line-height: 1.3; }
.open-card small { display: block; color: var(--muted); }
.contact__list { list-style: none; padding: 0; margin: 30px 0; display: grid; gap: 22px; }
.contact__list li { display: flex; gap: 16px; }
.ci { flex: none; width: 48px; height: 48px; border-radius: 15px; background: var(--mint); display: grid; place-items: center; }
.ci svg { width: 22px; height: 22px; fill: none; stroke: var(--teal); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.contact__list strong { display: block; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.contact__list a:hover { color: var(--teal); }
.hours-row { display: flex; justify-content: space-between; gap: 20px; max-width: 280px; }
.hours-row.is-today { color: var(--teal); font-weight: 700; }
.contact__btns { display: flex; gap: 12px; flex-wrap: wrap; }
.map { margin-top: 70px; height: 400px; border-radius: 28px; overflow: hidden; background: var(--soft); }
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.35) contrast(1.05); }

/* Footer */
.footer { background: var(--graphite); color: #fff; padding: 80px 0 30px; margin-top: 120px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1.2fr; gap: 50px; }
.footer p { color: rgba(255,255,255,.55); max-width: 26em; margin-top: 22px; }
.footer h4 { margin: 0 0 16px; font-size: .74rem; letter-spacing: .2em; text-transform: uppercase; color: var(--teal-3); }
.footer__grid > div > a:not(.brand) { display: block; margin-bottom: 10px; color: rgba(255,255,255,.75); transition: color .2s; }
.footer__grid > div > a:not(.brand):hover { color: var(--teal-3); }
.footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-top: 60px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.4); }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; grid-template-columns: auto 1fr auto; gap: 10px; padding: 30px; background: rgba(15,20,22,.92); backdrop-filter: blur(8px); animation: fadeIn .3s; }
.lightbox[hidden] { display: none; }
@keyframes fadeIn { from { opacity: 0; } }
.lightbox figure { margin: 0; display: grid; justify-items: center; gap: 14px; }
.lightbox img { max-width: min(900px, 80vw); max-height: 80vh; border-radius: 18px; object-fit: contain; animation: zoomIn .4s var(--ease); }
.lightbox img.is-rot { transform: rotate(90deg); max-width: 80vh; max-height: 80vw; }
@keyframes zoomIn { from { opacity: 0; scale: .94; } }
.lightbox figcaption { color: rgba(255,255,255,.75); font-size: .9rem; }
.lightbox button { border: 0; background: rgba(255,255,255,.1); color: #fff; width: 52px; height: 52px; border-radius: 50%; font-size: 1.8rem; cursor: pointer; transition: background .2s; }
.lightbox button:hover { background: rgba(255,255,255,.22); }
.lightbox__close { position: absolute; top: 20px; right: 20px; }

/* WhatsApp float */
.wa-float { position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 62px; height: 62px; border-radius: 50%; display: grid; place-items: center; background: #25d366; box-shadow: 0 14px 30px -10px rgba(37,211,102,.75); transition: transform .3s var(--ease); }
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 32px; height: 32px; fill: #fff; }
.wa-float::before { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid #25d366; animation: ring 2.4s infinite; }
@keyframes ring { from { transform: scale(1); opacity: .8; } to { transform: scale(1.6); opacity: 0; } }
.wa-float__tip { position: absolute; right: 76px; white-space: nowrap; padding: 8px 14px; border-radius: 12px; background: #fff; color: var(--ink); font-size: .84rem; font-weight: 600; box-shadow: 0 10px 30px -10px rgba(0,0,0,.25); opacity: 0; transform: translateX(10px); transition: .35s var(--ease); pointer-events: none; }
.wa-float:hover .wa-float__tip, .wa-float.show-tip .wa-float__tip { opacity: 1; transform: none; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.no-io .reveal { opacity: 1; transform: none; }

/* ================= Responsive ================= */
@media (max-width: 1080px) {
  .nav { gap: 18px; font-size: .86rem; }
  .about, .quiz { gap: 50px; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 34px; }
}

@media (max-width: 940px) {
  .burger { display: block; }
  .nav { position: fixed; inset: 0; flex-direction: column; justify-content: center; gap: 22px; background: var(--paper); font-family: var(--serif); font-size: 1.7rem; opacity: 0; pointer-events: none; transition: opacity .35s; }
  .nav.is-open { opacity: 1; pointer-events: auto; }
  .nav__cta { font-family: var(--sans); font-size: 1rem; margin-top: 10px; }
  .hero { padding: 120px 0 90px; }
  .hero__grid, .about, .treat, .quiz, .faq, .contact, .section__head--row { grid-template-columns: 1fr; }
  .hero__visual { max-width: 460px; width: 100%; margin-inline: auto; }
  .faq__intro { position: static; }
  .treat__list { flex-direction: row; overflow-x: auto; gap: 8px; padding-bottom: 6px; scrollbar-width: none; }
  .treat__list::-webkit-scrollbar { display: none; }
  .treat__list button { flex: none; border: 1px solid var(--line); border-radius: 999px; padding: 10px 18px; font-family: var(--sans); font-size: .9rem; font-weight: 600; }
  .treat__list button span, .treat__list button::after { display: none; }
  .treat__list button:hover, .treat__list button[aria-selected="true"] { padding-left: 18px; }
  .treat__list button[aria-selected="true"] { background: var(--teal); border-color: var(--teal); color: #fff; }
  .reviews { grid-template-columns: 1fr; gap: 30px; padding: 44px 30px; text-align: center; }
  .reviews__score { padding: 0 0 30px; border-right: 0; border-bottom: 1px solid var(--line); }
  .reviews__copy p { margin-inline: auto; }
  .reviews__actions { justify-content: center; }
  .contact__media { max-width: 480px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__grid > div:first-child { grid-column: span 2; }
  .scroll-cue { display: none; }
}

@media (max-width: 640px) {
  .section { padding: 84px 0; }
  .hero h1 { font-size: 2.55rem; }
  .hero__actions .btn { flex: 1 1 100%; }
  .hero__trust { gap: 16px; }
  .hero__trust li { padding-left: 14px; }
  .float-card { padding: 10px 13px; font-size: .76rem; }
  .float-card__icon { width: 32px; height: 32px; }
  .float-card--a { left: -6px; }
  .float-card--b { right: -6px; }
  .hero__orbit { width: 110px; right: -10px; }
  .creds { grid-template-columns: 1fr; }
  .cred:nth-child(2), .cred:nth-child(4) { translate: none; }
  .treat__body { padding: 26px 22px 28px; }
  .treat__facts { grid-template-columns: 1fr; }
  .versus { padding: 28px 20px; border-radius: 24px; }
  .versus__grid { grid-template-columns: 1fr; gap: 20px; }
  .smiles { grid-template-columns: 1fr 1fr; grid-template-rows: 240px 170px auto; }
  .smile:first-child { grid-column: span 2; grid-row: auto; }
  .smile--insta { grid-column: span 2; min-height: 170px; }
  .smile > span { opacity: 1; transform: none; font-size: .72rem; left: 10px; bottom: 10px; }
  .quiz__card { padding: 28px 22px; }
  .quiz__step h3 { font-size: 1.4rem; }
  .steps { grid-template-columns: 1fr; }
  .reviews__score strong { font-size: 4.6rem; }
  .cta__inner { padding: 70px 22px; border-radius: 26px; }
  .cta__mark { font-size: 16rem; }
  .map { height: 300px; margin-top: 50px; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__grid > div:first-child { grid-column: auto; }
  .lightbox { grid-template-columns: 1fr; padding: 70px 12px; }
  .lightbox__nav { position: absolute; bottom: 20px; }
  .lightbox__prev { left: calc(50% - 62px); }
  .lightbox__next { right: calc(50% - 62px); }
  .lightbox img { max-width: 94vw; }
  .lightbox img.is-rot { max-width: 70vh; max-height: 94vw; }
  .wa-float__tip { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}