/* FISK — dark botanical landing · styles.css */
:root {
  --bg: #060606;
  --bg-soft: #0d0d0d;
  --bg-card: #111111;
  --line: rgba(255, 255, 255, 0.14);
  --line-soft: rgba(255, 255, 255, 0.08);
  --text: #f4f2ee;
  --text-dim: rgba(244, 242, 238, 0.62);
  --text-faint: rgba(244, 242, 238, 0.38);
  --accent: #f4f2ee;
  --radius-pill: 999px;
  --radius: 18px;
  --pad-x: clamp(20px, 5vw, 72px);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  background: var(--bg); color: var(--text);
  font-family: "DM Sans", system-ui, sans-serif; font-weight: 300; line-height: 1.6;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
/* Ghi chú: DM Serif Display không có glyph tiếng Việt → thay bằng Cormorant Garamond italic (hỗ trợ đầy đủ dấu). */
em { font-family: "Cormorant Garamond", "DM Serif Display", Georgia, serif; font-style: italic; font-weight: 500; font-size: 1.08em; }
a { color: inherit; text-decoration: none; }
img, video, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; color: inherit; }
ul { list-style: none; }

/* ---------- 4a Pill ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  color: var(--text);
  font-size: 11px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease);
}
.pill:hover { background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.3); }
.pill-ghost { background: transparent; }

/* ---------- 4b CTA ---------- */
.cta {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 30px; border-radius: var(--radius-pill);
  background: var(--text); color: #000; border: 0; cursor: pointer;
  font-size: 11px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase;
  text-decoration: none;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.cta:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(255, 255, 255, 0.12); }
.cta-arrow { font-size: 13px; transition: transform 0.35s var(--ease); }
.cta:hover .cta-arrow { transform: translateX(4px); }

/* ---------- 4c-4e ---------- */
.eyebrow { font-size: 11px; font-weight: 500; letter-spacing: 0.28em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 20px; }
.eyebrow.center { text-align: center; }
.section-title { font-size: clamp(34px, 4.6vw, 62px); font-weight: 300; line-height: 1.08; letter-spacing: -0.02em; }
.section-title.center { text-align: center; }
.ph { background: var(--bg-card); border: 1px dashed var(--line-soft); position: relative; overflow: hidden; }
.ph::after {
  content: attr(data-label); position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--text-faint); text-align: center; padding: 0 12px;
}

/* ---------- 4f Marquee ---------- */
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }

/* ---------- Nav ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 18px var(--pad-x); transition: background 0.4s var(--ease); }
.nav.scrolled { background: rgba(6, 6, 6, 0.72); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.nav-inner { display: flex; justify-content: space-between; align-items: center; position: relative; }
.nav-group { display: flex; gap: 8px; }
.brand {
  position: absolute; left: 50%; transform: translateX(-50%);
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 20px; font-weight: 600; letter-spacing: 0.12em;
}
.brand sup { font-size: 9px; font-weight: 400; align-self: flex-start; margin-top: 2px; }
.brand-mark { width: 26px; height: 26px; flex: none; }
.caret { font-size: 8px; opacity: 0.7; }
.pill-icon { position: relative; padding: 9px 12px; }
.pill-icon svg { width: 16px; height: 16px; }
.cart-count {
  position: absolute; top: -4px; right: -4px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--text); color: #000; font-size: 9px; font-weight: 600; letter-spacing: 0;
  display: grid; place-items: center;
}

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.hero-media { position: absolute; inset: 0; background: #000; }
.hero-media video { width: 100%; height: 100%; object-fit: cover; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.45) 0%, rgba(0,0,0,0) 45%); }
.hero-content { position: relative; z-index: 4; text-align: center; padding: 0 var(--pad-x); max-width: 1000px; }
.hero-content .eyebrow { font-weight: 700; color: var(--text); }
.hero-title { font-size: clamp(36px, 5.4vw, 72px); font-weight: 300; line-height: 1.12; letter-spacing: -0.02em; margin-bottom: 36px; }

/* ---------- Marquee strip ---------- */
.marquee { overflow: hidden; padding: 16px 0; background: var(--bg-soft); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.marquee-track { display: flex; gap: 40px; padding-right: 40px; width: max-content; animation: marquee 28s linear infinite; align-items: center; }
.marquee-track span { font-size: 11px; font-weight: 500; letter-spacing: 0.24em; text-transform: uppercase; color: var(--text-dim); white-space: nowrap; }
.marquee-track i { font-size: 10px; color: var(--text-faint); font-style: normal; }

/* ---------- Generic section ---------- */
.section { padding: 0 var(--pad-x) clamp(90px, 14vh, 160px); }

/* ---------- Intro ---------- */
.intro { padding: clamp(90px, 14vh, 160px) var(--pad-x); max-width: 920px; margin: 0 auto; text-align: center; }
.intro-title { font-size: clamp(30px, 4vw, 54px); font-weight: 300; line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 28px; }
.intro-body { font-size: clamp(15px, 1.3vw, 18px); color: var(--text-dim); max-width: 620px; margin: 0 auto; }

/* ---------- Shop ---------- */
.shop { padding: 0 var(--pad-x) clamp(90px, 14vh, 160px); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 44px; gap: 20px; }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.product-card {
  position: relative; border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; background: var(--bg-soft);
  transition: border-color 0.35s var(--ease), transform 0.35s var(--ease);
}
.product-card:hover { border-color: var(--line); transform: translateY(-4px); }
.product-media { aspect-ratio: 4 / 5; border: none; border-bottom: 1px dashed var(--line-soft); }
.tag {
  position: absolute; top: 14px; left: 14px; z-index: 2; background: #fff; color: #000;
  font-size: 9px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; padding: 5px 12px; border-radius: var(--radius-pill);
}
.product-info { padding: 20px; }
.product-info h3 { font-size: 17px; font-weight: 500; margin-bottom: 6px; }
.product-info p { font-size: 13px; color: var(--text-dim); min-height: 40px; margin-bottom: 18px; line-height: 1.5; }
.product-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.price { font-size: 19px; font-weight: 500; white-space: nowrap; }
.per { font-size: 12px; color: var(--text-dim); font-weight: 400; }

/* ---------- Inside / Ritual (2-col) ---------- */
.inside, .ritual { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: center; padding: 0 var(--pad-x) clamp(90px, 14vh, 160px); }
.inside-media, .ritual-media { aspect-ratio: 4 / 5; border-radius: var(--radius); }
.inside .section-title, .ritual .section-title { margin-bottom: 40px; }
.mineral-list li, .ritual-steps li { display: flex; gap: 24px; padding: 22px 0; border-top: 1px solid var(--line-soft); }
.mineral-list li:last-child, .ritual-steps li:last-child { border-bottom: 1px solid var(--line-soft); }
.mineral-list .num, .ritual-steps .num { font-size: 11px; color: var(--text-faint); letter-spacing: 0.1em; padding-top: 5px; }
.mineral-list h4 { font-size: 16px; font-weight: 500; }
.mineral-list p { font-size: 13.5px; color: var(--text-dim); }
.ritual-steps { margin-bottom: 40px; }
.ritual-steps li { align-items: baseline; gap: 20px; padding: 18px 0; font-size: 16px; }
.ritual-steps .num { padding-top: 0; }

/* ---------- Benefits ---------- */
.benefits .section-title { margin-bottom: 52px; }
.benefit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.benefit-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.benefit-card { border: 1px solid var(--line-soft); border-radius: var(--radius); background: var(--bg-soft); padding: 32px 26px; transition: border-color 0.35s var(--ease); }
.benefit-card:hover { border-color: var(--line); }
.benefit-icon { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; font-size: 17px; margin-bottom: 22px; }
.benefit-card h3 { font-size: 17px; font-weight: 500; margin-bottom: 10px; }
.benefit-card p { font-size: 14px; color: var(--text-dim); line-height: 1.55; }

/* ---------- Reviews ---------- */
.reviews .section-title { margin-bottom: 52px; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.review-card { border: 1px solid var(--line-soft); border-radius: var(--radius); background: var(--bg-soft); padding: 34px 30px; }
.stars { font-size: 13px; letter-spacing: 4px; margin-bottom: 20px; }
.review-card blockquote { font-size: 16px; line-height: 1.55; margin-bottom: 22px; }
.review-card figcaption { font-size: 12px; color: var(--text-dim); }

/* ---------- FAQ ---------- */
.faq { padding: 0 var(--pad-x) clamp(90px, 14vh, 160px); }
.faq-inner { max-width: 860px; margin: 0 auto; }
.faq .section-title { margin-bottom: 48px; }
.faq-list details { border-top: 1px solid var(--line-soft); }
.faq-list details:last-child { border-bottom: 1px solid var(--line-soft); }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 24px 0; font-size: 16.5px; font-weight: 400; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-plus { font-size: 20px; font-weight: 300; color: var(--text-dim); transition: transform 0.3s var(--ease); flex: none; }
.faq-list details[open] .faq-plus { transform: rotate(45deg); }
.faq-list details p { padding: 0 0 26px; font-size: 14.5px; color: var(--text-dim); max-width: 640px; }

/* ---------- Final CTA ---------- */
.final { position: relative; min-height: 72svh; display: grid; place-items: center; text-align: center; overflow: hidden; }
.final.short { min-height: 52svh; }
.final-media { position: absolute; inset: 0; background: #000; border-top: 1px solid var(--line-soft); }
.final-media::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(0,0,0,0) 0%, rgba(0,0,0,0.4) 100%); }
.final-content { position: relative; z-index: 2; padding: 100px var(--pad-x); }
.final-title { font-size: clamp(32px, 4.6vw, 60px); font-weight: 300; line-height: 1.12; letter-spacing: -0.02em; margin-bottom: 40px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line-soft); background: var(--bg-soft); padding: clamp(60px, 8vh, 90px) var(--pad-x) 36px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.4fr; gap: 40px; margin-bottom: 70px; }
.footer .brand { position: static; transform: none; }
.footer-tagline { font-size: 14px; color: var(--text-dim); margin-top: 18px; }
.footer h5 { font-size: 11px; font-weight: 500; letter-spacing: 0.24em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 20px; }
.footer-col a { display: block; font-size: 14px; color: var(--text-dim); padding: 5px 0; transition: color 0.3s var(--ease); }
.footer-col a:hover { color: var(--text); }
.newsletter { display: flex; gap: 8px; margin-bottom: 8px; }
.newsletter input { flex: 1; min-width: 0; background: transparent; border: 1px solid var(--line); border-radius: var(--radius-pill); padding: 9px 18px; font-size: 13px; outline: none; transition: border-color 0.3s var(--ease); }
.newsletter input:focus { border-color: rgba(255, 255, 255, 0.4); }
.newsletter input::placeholder, .field::placeholder { color: var(--text-faint); }
.form-msg { font-size: 12.5px; color: var(--text-dim); margin: 6px 0 0; }
.socials { display: flex; gap: 18px; margin-top: 18px; }
.socials a { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-dim); transition: color 0.3s var(--ease); }
.socials a:hover { color: #fff; }
.disclaimer { font-size: 12px; color: var(--text-faint); margin-bottom: 28px; max-width: 760px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 28px; border-top: 1px solid var(--line-soft); font-size: 12px; color: var(--text-faint); }
.footer-bottom nav { display: flex; gap: 22px; }
.footer-bottom a:hover { color: var(--text); }

/* ---------- Sub pages ---------- */
.page-hero { padding: clamp(130px, 20vh, 200px) var(--pad-x) clamp(50px, 8vh, 90px); max-width: 920px; margin: 0 auto; text-align: center; }
.page-hero .section-title { font-size: clamp(36px, 5vw, 68px); }
.lead { font-size: clamp(15px, 1.3vw, 18px); color: var(--text-dim); max-width: 620px; margin: 24px auto 0; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: center; padding: 0 var(--pad-x) clamp(90px, 14vh, 160px); }
.split .ph { aspect-ratio: 4 / 5; border-radius: var(--radius); }
.split h2 { font-size: clamp(28px, 3.4vw, 44px); font-weight: 300; line-height: 1.12; letter-spacing: -0.02em; margin-bottom: 24px; }
.split p { color: var(--text-dim); margin-bottom: 16px; font-size: 15.5px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); margin: 0 var(--pad-x) clamp(90px, 14vh, 160px); }
.stat { padding: 40px 20px; text-align: center; border-left: 1px solid var(--line-soft); }
.stat:first-child { border-left: 0; }
.stat b { display: block; font-size: clamp(30px, 3.6vw, 48px); font-weight: 300; letter-spacing: -0.02em; }
.stat span { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-dim); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line-soft); border-radius: var(--radius); background: var(--bg-soft); }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { text-align: left; padding: 18px 24px; font-size: 14.5px; }
th { font-size: 11px; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-faint); }
td { border-top: 1px solid var(--line-soft); color: var(--text-dim); }
td:first-child { color: var(--text); }
.ok { display: inline-block; padding: 3px 12px; border: 1px solid var(--line); border-radius: var(--radius-pill); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text); }
.note { font-size: 12.5px; color: var(--text-faint); margin-top: 16px; }
.wrap { max-width: 1100px; margin: 0 auto; }
.prose { max-width: 760px; margin: 0 auto; padding: 0 var(--pad-x) clamp(90px, 14vh, 160px); }
.prose h2 { font-size: 22px; font-weight: 400; margin: 44px 0 12px; }
.prose p, .prose li { color: var(--text-dim); font-size: 15.5px; margin-bottom: 12px; }
.prose ul { list-style: disc; padding-left: 22px; margin-bottom: 12px; }
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.post-card { border: 1px solid var(--line-soft); border-radius: var(--radius); background: var(--bg-soft); overflow: hidden; transition: border-color 0.35s var(--ease), transform 0.35s var(--ease); }
.post-card:hover { border-color: var(--line); transform: translateY(-4px); }
.post-card .ph { aspect-ratio: 16 / 10; border: 0; border-bottom: 1px dashed var(--line-soft); }
.post-body { padding: 24px; }
.post-meta { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 12px; }
.post-body h3 { font-size: 19px; font-weight: 400; line-height: 1.3; margin-bottom: 10px; }
.post-body p { font-size: 14px; color: var(--text-dim); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(40px, 6vw, 96px); padding: 0 var(--pad-x) clamp(90px, 14vh, 160px); max-width: 1200px; margin: 0 auto; }
.contact-list li { padding: 22px 0; border-top: 1px solid var(--line-soft); }
.contact-list li:last-child { border-bottom: 1px solid var(--line-soft); }
.contact-list small { display: block; font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 6px; }
.contact-list span { font-size: 16px; }
.form { display: grid; gap: 14px; }
.field { width: 100%; background: transparent; border: 1px solid var(--line); border-radius: 14px; padding: 15px 20px; font-size: 14.5px; outline: none; transition: border-color 0.3s var(--ease); }
.field:focus { border-color: rgba(255, 255, 255, 0.4); }
textarea.field { min-height: 150px; resize: vertical; }
select.field option { background: #111; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .product-grid, .benefit-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: repeat(2, 1fr); }
  .post-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line-soft); }
}
@media (max-width: 760px) {
  .nav-left { display: none; }
  .brand { position: static; transform: none; }
  .inside, .ritual, .split, .contact-grid { grid-template-columns: 1fr; }
  .ritual-media { order: -1; }
  .review-grid, .benefit-grid.cols-3, .post-grid { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .product-grid, .benefit-grid, .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .nav-login { display: none; } /* giữ thanh nav gọn trên màn hình nhỏ */
  .stats { grid-template-columns: 1fr; }
  .stat { border-left: 0; border-top: 1px solid var(--line-soft); }
  .stat:first-child { border-top: 0; }
}

/* ---------- Hình minh họa & hero động ---------- */
.ph.has-img { border-style: solid; }
.ph.has-img::after { display: none; }
.ph.has-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.product-media.has-img, .post-card .ph.has-img { border-bottom-style: solid; }
.hero-art { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero-art::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 60% 50% at 50% 55%, rgba(244,242,238,0.08), transparent 70%); animation: glow 9s ease-in-out infinite alternate; }
.wave { position: absolute; left: 0; width: 200%; animation: drift linear infinite; }
.wave svg { width: 100%; height: 100%; display: block; }
.bubble { position: absolute; bottom: -10px; border-radius: 50%; background: rgba(244,242,238,0.5); opacity: 0; animation: rise linear infinite; }
.hero-media video { position: relative; }
@keyframes drift { to { transform: translateX(-50%); } }
@keyframes glow { from { opacity: 0.5; } to { opacity: 1; } }
@keyframes rise { 0% { transform: translateY(0); opacity: 0; } 15% { opacity: 0.5; } 100% { transform: translateY(-110vh); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .wave, .bubble, .hero-art::before { animation: none; } }