/* Hairvity – prototyp landingu (hv.halier.pl)
   Identyfikacja: agencja Motyw, „projekt 1” (Figma: Hairvity).
   Kolory: 05 Kolorystyka. Fonty: Jubilat (Adobe, docelowo) -> zastępczo Roboto Slab; Geist. */
:root {
  --white: #ffffff;
  --grey: #f2f2f2;
  --stage: #e1e1e1;          /* tło packshotów z Figmy */
  --light-blue: #bed1ff;
  --blue: #003cd3;
  --navy: #002d87;
  --black: #0a0a0a;
  --ink: #0a0a0a;
  --muted: #6b6f7a;
  --line: rgba(10, 10, 10, .12);
  --serif: "Jubilat", "Roboto Slab", Georgia, serif;
  --sans: "Geist", system-ui, -apple-system, sans-serif;
  --gutter: clamp(16px, 4vw, 56px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); color: var(--ink); background: var(--white); line-height: 1.55; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2 { font-family: var(--serif); font-weight: 300; letter-spacing: -0.02em; line-height: 1.04; color: var(--blue); }
h1 { font-size: clamp(2.8rem, 6.4vw, 6rem); }
h2 { font-size: clamp(2.1rem, 4.4vw, 4rem); margin-bottom: 1.2rem; }
h3 { font-size: 1.05rem; font-weight: 500; }

.wrap { width: 100%; max-width: 1440px; margin-inline: auto; padding-inline: var(--gutter); }
.wrap--narrow { max-width: 900px; }
.center { text-align: center; margin-inline: auto; }
.eyebrow { display: inline-block; font-size: .78rem; font-weight: 500; letter-spacing: .02em; border: 1px solid currentColor; border-radius: 999px; padding: .25rem .8rem; margin-bottom: 1.4rem; color: var(--ink); }
.system .eyebrow, .lineup .eyebrow, .pillars .eyebrow, .reviews .eyebrow, .faq .eyebrow { display: table; margin-inline: auto; }
.eyebrow--light { color: var(--white); }
.sub { color: var(--muted); max-width: 620px; font-size: 1.1rem; margin-bottom: 3rem; }
p.center { text-align: center; }

.btn { display: inline-flex; align-items: center; gap: .6rem; background: var(--blue); color: var(--white); text-decoration: none; padding: 1rem 1.8rem; border-radius: 999px; font-weight: 500; transition: background .2s, transform .2s; }
.btn::after { content: "→"; transition: transform .2s; }
.btn:hover { background: var(--navy); }
.btn:hover::after { transform: translateX(4px); }
.btn--sm { padding: .6rem 1.2rem; font-size: .9rem; }
.btn--ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--white); }
.btn--light { background: var(--white); color: var(--blue); }
.btn--light:hover { background: var(--light-blue); }

/* Marquee */
.topbar { background: var(--blue); color: var(--white); font-size: .8rem; }
.marquee { overflow: hidden; white-space: nowrap; }
.marquee__track { display: inline-flex; gap: 2.5rem; padding: .55rem 0; animation: marquee 45s linear infinite; }
.marquee__track span::before { content: "✦"; margin-right: 2.5rem; opacity: .6; font-size: .7em; }
.marquee__track--slow { animation-duration: 60s; }
.marquee--blue { background: var(--white); border-block: 1px solid var(--line); }
.marquee--blue .marquee__track { font-family: var(--serif); font-weight: 300; font-size: clamp(2.4rem, 6vw, 5.5rem); color: var(--blue); padding: 1.2rem 0; gap: 4rem; }
.marquee--blue .marquee__track span::before { margin-right: 4rem; font-size: .35em; vertical-align: middle; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track { animation: none; } }

/* Header */
.header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.9); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 1.5rem; }
.logo img { height: 34px; width: auto; }
.nav { display: flex; gap: 2.2rem; font-size: .92rem; }
.nav a { text-decoration: none; color: var(--muted); transition: color .2s; }
.nav a:hover { color: var(--blue); }

/* Hero: tekst + zdjęcie na pełną wysokość */
.hero { display: grid; grid-template-columns: 1fr 1fr; min-height: calc(100vh - 100px); }
.hero__copy { padding: clamp(3rem, 7vw, 7rem) var(--gutter); display: flex; flex-direction: column; justify-content: center; max-width: 760px; margin-left: auto; }
.rating { font-size: .88rem; color: var(--muted); margin-bottom: 2rem; }
.stars { color: var(--blue); letter-spacing: .12em; margin-right: .4rem; }
.lead { font-size: 1.12rem; color: var(--muted); margin: 2rem 0 1.6rem; max-width: 520px; }
.checks { list-style: none; display: grid; gap: .55rem; margin-bottom: 2.4rem; }
.checks li { padding-left: 1.7rem; position: relative; }
.checks li::before { content: ""; position: absolute; left: 0; top: .5em; width: .8rem; height: .8rem; border-radius: 50%; border: 1.5px solid var(--blue); background: radial-gradient(circle, var(--blue) 35%, transparent 40%); }
.hero__cta { display: flex; gap: .8rem; flex-wrap: wrap; }
.hero__media { position: relative; overflow: hidden; background: #fdfdfd; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 40% 30%; }

/* Strip */
.strip { border-block: 1px solid var(--line); }
.strip__inner { display: flex; align-items: center; gap: 2.5rem; padding-block: 1.3rem; flex-wrap: wrap; }
.strip__label { font-size: .8rem; color: var(--muted); }
.strip__logo { font-weight: 600; color: var(--blue); }
.placeholder { border: 1px dashed #aab4cc; color: #8a93a8; border-radius: 999px; padding: .35rem .9rem; font-size: .8rem; }

/* Lineup: scena z packshotami */
.lineup { padding-top: clamp(4rem, 8vw, 8rem); background: var(--white); }
.lineup__img { background: var(--stage); margin-top: 1rem; }
.lineup__img img { width: 100%; max-width: 1600px; margin-inline: auto; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--line); }
.stats div { padding: 2.4rem 0; border-right: 1px solid var(--line); text-align: center; }
.stats div:last-child { border-right: 0; }
.stats dt { font-family: var(--serif); font-weight: 300; font-size: clamp(2.6rem, 5vw, 4.5rem); line-height: 1; color: var(--blue); }
.stats dd { font-size: .9rem; color: var(--muted); margin-top: .5rem; }

/* System */
.system { padding-block: clamp(4rem, 8vw, 8rem); }
.steps { list-style: none; display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); }
.steps li { padding: 2rem 1.4rem 2.4rem; border-right: 1px solid var(--line); transition: background .3s, color .3s; }
.steps li:last-child { border-right: 0; }
.steps li:hover { background: var(--blue); color: var(--white); }
.steps li:hover p, .steps li:hover small, .steps li:hover .steps__n { color: var(--white); }
.steps__n { font-size: .85rem; color: var(--muted); display: block; margin-bottom: 4rem; }
.steps h3 { font-family: var(--serif); font-weight: 400; font-size: 1.7rem; color: inherit; }
.steps li:not(:hover) h3 { color: var(--blue); }
.steps p { color: var(--muted); }
.steps small { display: block; margin-top: 1.6rem; font-size: .82rem; color: var(--ink); }

/* Produkty */
.products { padding-block: clamp(4rem, 8vw, 8rem); background: var(--grey); }
.products__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; margin-bottom: 2.5rem; }
.products__head h2 { margin: 0; }
.carousel__nav { display: flex; gap: .5rem; }
.arrow { width: 52px; height: 52px; border-radius: 50%; border: 1px solid var(--ink); background: transparent; color: var(--ink); font-size: 1.1rem; cursor: pointer; transition: background .2s, color .2s; }
.arrow:hover { background: var(--blue); border-color: var(--blue); color: var(--white); }
.carousel { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 3 * 20px) / 4); gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
.carousel::-webkit-scrollbar { display: none; }
.card { scroll-snap-align: start; display: flex; flex-direction: column; gap: .55rem; }
.card__img { position: relative; background: var(--stage); aspect-ratio: 4 / 5; overflow: hidden; margin-bottom: .8rem; }
.card__img img { position: absolute; inset: 9% 10%; width: 80%; height: 82%; object-fit: contain; transition: transform .5s cubic-bezier(.2,.7,.2,1); }
.card__img--navy { background: var(--navy); }
.card:hover .card__img img { transform: translateY(-6px) scale(1.03); }
.card h3 { font-family: var(--serif); font-weight: 400; font-size: 1.45rem; color: var(--blue); }
.card p { color: var(--muted); font-size: .95rem; flex: 1; }
.tag { align-self: flex-start; font-size: .75rem; color: var(--muted); }
.tag--navy { color: var(--navy); font-weight: 600; }
.link { font-weight: 500; color: var(--blue); text-decoration: none; }
.link:hover { text-decoration: underline; }
.link--muted { color: var(--muted); }

/* Suplement: pół na pół */
.supplement { display: grid; grid-template-columns: 1fr 1fr; background: var(--white); }
.supplement__media { background: var(--stage); }
.supplement__media img { width: 100%; height: 100%; object-fit: cover; }
.supplement__copy { padding: clamp(3rem, 6vw, 6rem) var(--gutter); max-width: 760px; }
.ingredients { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); margin-bottom: 2.4rem; }
.ingredients div { padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.ingredients div:nth-child(odd) { padding-right: 1.5rem; }
.ingredients h3 { color: var(--blue); }
.ingredients p { font-size: .88rem; color: var(--muted); }
.dose { display: flex; gap: 3rem; margin-bottom: 1.6rem; }
.dose div { display: flex; align-items: center; gap: .9rem; }
.dose strong { font-family: var(--serif); font-weight: 300; font-size: 4rem; color: var(--blue); line-height: 1; }
.dose span { font-size: .9rem; color: var(--muted); }
.note { font-size: .9rem; color: var(--muted); }

/* Care: niebieski blok + piana */
.care { display: grid; grid-template-columns: 1fr 1fr; background: var(--blue); color: var(--white); }
.care__copy { padding: clamp(3rem, 6vw, 6rem) var(--gutter); display: flex; flex-direction: column; justify-content: center; align-items: flex-start; max-width: 760px; margin-left: auto; }
.hero__copy { align-items: flex-start; }
.care h2 { color: var(--white); }
.care p { color: rgba(255,255,255,.82); font-size: 1.1rem; margin-bottom: 2.4rem; max-width: 520px; }
.care__media img { width: 100%; height: 100%; object-fit: cover; }

/* Filary */
.pillars { padding-block: clamp(4rem, 8vw, 8rem); }
.pillars__grid { display: grid; grid-template-columns: repeat(7, 1fr); border-top: 1px solid var(--line); }
.pillars__grid div { padding: 1.6rem 1rem 2rem; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: .5rem; opacity: .55; }
.pillars__grid div:last-child { border-right: 0; }
.pillars__grid div.is-live { opacity: 1; }
.pillars__grid img { width: 34px; height: 34px; margin-bottom: 1.6rem; }
.pillars__grid h3 { font-size: .9rem; letter-spacing: .1em; color: var(--blue); }
.pillars__grid p { font-size: .88rem; color: var(--muted); flex: 1; }
.pillars__grid small { font-size: .75rem; color: var(--muted); }
.pillars__grid .is-live small { color: var(--blue); font-weight: 600; }

/* Opinia */
.testimonial { padding-block: clamp(4rem, 8vw, 8rem); background: var(--grey); }
.testimonial__grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.ba { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.ba__img { aspect-ratio: 3 / 4; display: grid; place-items: center; border-radius: 0; }
blockquote p { font-family: var(--serif); font-weight: 300; font-size: clamp(1.6rem, 2.8vw, 2.5rem); line-height: 1.25; color: var(--blue); margin-bottom: 1.8rem; }
blockquote footer { font-weight: 500; }
blockquote footer span { display: block; font-weight: 400; color: var(--muted); font-size: .85rem; }

/* Opinie */
.reviews { padding-block: clamp(4rem, 8vw, 8rem); }
.reviews__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review { border: 1px dashed #aab4cc; padding: 2rem; display: grid; gap: 1rem; }
.review small { color: #8a93a8; font-size: .75rem; letter-spacing: .06em; }

/* Men */
.men { display: grid; grid-template-columns: 1fr 1fr; background: var(--navy); color: var(--white); }
.men__media img { width: 100%; height: 100%; object-fit: cover; }
.men__copy { padding: clamp(3rem, 6vw, 6rem) var(--gutter); display: flex; flex-direction: column; justify-content: center; align-items: flex-start; max-width: 760px; }
.men__logo { height: 48px; width: auto; margin-bottom: 1.6rem; }
.men h2 { color: var(--white); }
.men p { color: rgba(255,255,255,.8); margin-bottom: 2.4rem; max-width: 520px; font-size: 1.1rem; }

/* FAQ */
.faq { padding-block: clamp(4rem, 8vw, 8rem); }
.faq h2 { margin-bottom: 3rem; }
details { border-top: 1px solid var(--line); }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { list-style: none; cursor: pointer; padding: 1.5rem 0; font-size: 1.15rem; display: flex; justify-content: space-between; gap: 1rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 1.6rem; line-height: 1; color: var(--blue); transition: transform .25s; }
details[open] summary::after { transform: rotate(45deg); }
details p { padding-bottom: 1.5rem; color: var(--muted); max-width: 700px; }

/* Final */
.final { background: var(--blue); color: var(--white); padding-block: clamp(5rem, 10vw, 9rem); text-align: center; }
.final__inner { display: flex; flex-direction: column; align-items: center; }
.final img { margin-bottom: 2rem; }
.final h2 { color: var(--white); max-width: 900px; }
.final p { color: rgba(255,255,255,.8); font-size: 1.1rem; margin-bottom: 2.4rem; }

/* Footer */
.footer { background: var(--black); color: rgba(255,255,255,.6); padding-block: 3.5rem; font-size: .85rem; }
.footer__inner { display: grid; gap: 1.2rem; }
.footer__inner img { height: 34px; width: auto; }
.footer__proto { color: var(--light-blue); }

/* Wejście sekcji przy przewijaniu */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* Responsywność */
@media (max-width: 1100px) {
  .nav { display: none; }
  .pillars__grid { grid-template-columns: repeat(4, 1fr); }
  .pillars__grid div { border-bottom: 1px solid var(--line); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .steps li { border-bottom: 1px solid var(--line); }
  .carousel { grid-auto-columns: calc((100% - 2 * 20px) / 3); }
}
@media (max-width: 860px) {
  .hero, .supplement, .care, .men { grid-template-columns: 1fr; }
  .hero { min-height: 0; }
  .hero__copy, .care__copy { margin-left: 0; }
  .hero__media { aspect-ratio: 4 / 5; }
  .care__media { order: -1; aspect-ratio: 1; }
  .men__media { aspect-ratio: 1; }
  .supplement__media { aspect-ratio: 1; }
  .testimonial__grid { grid-template-columns: 1fr; }
  .reviews__grid { grid-template-columns: 1fr; }
  .carousel { grid-auto-columns: 70%; }
  .products__head { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .steps li { border-right: 0; }
  .steps__n { margin-bottom: 1.2rem; }
  .pillars__grid { grid-template-columns: 1fr 1fr; }
  .stats div { padding: 1.6rem 0; }
  .ingredients { grid-template-columns: 1fr; }
  .dose { gap: 1.5rem; }
  .hero__cta .btn { flex: 1; justify-content: center; }
}