/* ===================== MANSON — styles ===================== */
:root {
  --bg: #0a0a0a;
  --bg-2: #0b0b0c;
  --surface: #111113;
  --surface-2: #161618;
  --border: #1f1f22;
  --border-soft: #17171a;
  --text: #fafafa;
  --muted: #a1a1a6;
  --muted-2: #7c7c82;
  --accent: #f2f2f2;
  --radius: 14px;
  --maxw: 1160px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 10px;
  background: #fafafa;
  color: #0a0a0a;
  font-weight: 500;
  font-size: 14.5px;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), opacity 0.25s;
  white-space: nowrap;
}
.btn:hover { background: #fff; transform: translateY(-1px); }
.btn--sm { padding: 8px 15px; font-size: 13.5px; border-radius: 9px; }
.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn--ghost:hover { background: rgba(255,255,255,.04); border-color: #2c2c30; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10,10,10,.72);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.nav.is-scrolled { border-color: var(--border); }
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
}
.nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  font-size: 15px;
}
.nav__mark {
  width: 15px; height: 15px; border-radius: 50%;
  background: conic-gradient(from 210deg, #fff, #6c6c72, #fff);
  box-shadow: 0 0 14px rgba(255,255,255,.25);
}
.nav__links {
  display: flex;
  gap: 30px;
  font-size: 14px;
  color: var(--muted);
}
.nav__links a { transition: color .2s; }
.nav__links a:hover { color: var(--text); }
.nav__actions { display: flex; align-items: center; gap: 18px; }
.nav__signin { font-size: 14px; color: var(--muted); transition: color .2s; cursor: pointer; }
.nav__signin:hover { color: var(--text); }
.nav__user { font-size: 14px; font-weight: 500; color: var(--text); }
.nav__toggle {
  display: none;
  background: none; border: none; color: var(--text);
  cursor: pointer; padding: 6px; margin-left: 2px;
}
.nav__toggle svg { width: 24px; height: 24px; display: block; }
/* Language switcher */
.lang-switch { display: inline-flex; align-items: center; gap: 5px; margin-left: 4px; }
.lang-btn {
  background: none; border: 1px solid transparent; border-radius: 6px;
  padding: 2px; cursor: pointer; line-height: 0;
  opacity: .5; transition: opacity .2s var(--ease), border-color .2s var(--ease);
}
.lang-btn:hover, .lang-btn.is-active { opacity: 1; }
.lang-btn.is-active { border-color: var(--border); }
.lang-btn .flag { width: 22px; height: 15px; border-radius: 2px; display: block; box-shadow: 0 0 0 1px rgba(255,255,255,.08); }
/* Hide Google Translate banner/gadget */
.goog-te-banner-frame, .goog-te-gadget, .skiptranslate { display: none !important; }
body { top: 0 !important; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 40px 0 70px;
}
.hero__panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 24px;
  background:
    radial-gradient(120% 140% at 15% 0%, #17171b 0%, #0d0d0f 46%, #0a0a0b 100%);
  padding: 90px 64px 84px;
}
.hero__panel::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: 24px;
  padding: 1px;
  background: linear-gradient(180deg, rgba(255,255,255,.14), rgba(255,255,255,0) 34%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none;
}
.hero__glow {
  position: absolute;
  top: -320px; left: 22%;
  width: 820px; height: 620px;
  background: radial-gradient(ellipse at center, rgba(130,130,145,.28), rgba(10,10,10,0) 60%);
  pointer-events: none;
}
.hero__inner { position: relative; max-width: 640px; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 14px 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,.02);
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 34px;
  transition: border-color .25s, color .25s;
}
.pill:hover { border-color: #2e2e33; color: var(--text); }
.pill__dot { width: 7px; height: 7px; border-radius: 50%; background: #5ac37d; box-shadow: 0 0 10px #5ac37d; }
.pill__arrow { color: var(--muted-2); }

.hero__title {
  font-size: clamp(44px, 7.4vw, 88px);
  line-height: 1.02;
  font-weight: 600;
  letter-spacing: -0.035em;
  margin-bottom: 26px;
}
.hero__sub {
  max-width: 540px;
  margin: 0 0 38px;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.65;
}
.hero__cta { display: flex; gap: 12px; justify-content: flex-start; flex-wrap: wrap; }

/* ---------- Section divider ---------- */
.divider {
  height: 1px;
  max-width: var(--maxw);
  margin: 0 auto;
  background: linear-gradient(90deg, transparent, var(--border) 20%, var(--border) 80%, transparent);
}

/* ---------- Logo cloud ---------- */
.logos { padding: 30px 0 70px; }
.logos__label {
  text-align: center;
  color: #95959c;
  font-size: 13px;
  letter-spacing: 0.02em;
  margin-bottom: 30px;
}
.logos__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 26px 52px;
}
.logos__item {
  color: #6f6f77;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.14em;
  transition: color .25s;
}
.logos__item:hover { color: #a6a6ac; }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section--alt { background: linear-gradient(180deg, var(--bg), #0c0c0e 50%, var(--bg)); }
.section__head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section__head--left { margin-left: 0; text-align: left; }
.section__title {
  font-size: clamp(30px, 4.4vw, 50px);
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.section__lead {
  margin-top: 18px;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 18px);
}
.accent { color: #8f8f96; }

/* ---------- Contact methods ---------- */
.contact-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 8px;
}
.contact-method {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 10px;
  max-width: 100%;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 15px;
  text-decoration: none;
  transition: border-color .3s ease, background .3s ease;
}
.contact-method:hover { border-color: #34343a; background: #16161a; }
.contact-method span { color: var(--muted); font-size: 13px; }
.contact-method strong { font-weight: 500; letter-spacing: -.01em; overflow-wrap: anywhere; }

/* ---------- Products ---------- */
.products__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.product {
  background: linear-gradient(180deg, #141416, var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
  transition: transform .35s var(--ease), border-color .35s, background .35s;
}
.product:hover { transform: translateY(-4px); border-color: #2c2c31; background: var(--surface-2); }
.product__media {
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
}
.product__media--1 { background: radial-gradient(circle at 40% 30%, #26262b, #131316); color: #e8e6e1; }
.product__media--2 { background: radial-gradient(circle at 40% 30%, #223027, #121514); color: #1f6f54; }
.product__media--3 { background: radial-gradient(circle at 40% 30%, #2a2320, #151212); color: #c2492e; }
.product__media--4 { background: radial-gradient(circle at 40% 30%, #1a1a1f, #0d0d10); color: #2f2f36; }
.shirt { width: 62%; height: 62%; filter: drop-shadow(0 12px 24px rgba(0,0,0,.5)); }
.shirt--lg { width: 55%; height: 55%; color: #e8e6e1; }
/* Ảnh sản phẩm thật */
.product__media { overflow: hidden; background: #fff; }
.product__media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .45s var(--ease); }
.product:hover .product__media img { transform: scale(1.04); }
.product__link { display: inline-block; margin-top: 11px; color: var(--text); font-size: 13.5px; font-weight: 500; text-decoration: none; }
.product__link:hover { text-decoration: underline; }
.split__card--img { overflow: hidden; background: #fff; padding: 0; }
.split__card--img img { width: 100%; height: 100%; object-fit: cover; display: block; border-radius: 14px; }
.product__body { padding: 18px 18px 20px; }
.product__row { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.product__body h3 { font-size: 15.5px; font-weight: 600; letter-spacing: -0.01em; }
.product__price { color: var(--muted); font-size: 14px; font-weight: 500; }
.product__body p { margin-top: 7px; color: var(--muted-2); font-size: 13.5px; line-height: 1.55; }

/* ---------- Features ---------- */
.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.feature {
  background: linear-gradient(180deg, #141416, var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
  transition: transform .35s var(--ease), border-color .35s;
}
.feature:hover { transform: translateY(-4px); border-color: #2c2c31; }
.feature__icon {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-2);
  font-size: 18px;
  color: var(--muted);
  margin-bottom: 18px;
}
.feature h3 { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.feature p { margin-top: 8px; color: var(--muted-2); font-size: 14px; }

/* ---------- Showcase (big mockup) ---------- */
.showcase__frame {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: linear-gradient(180deg, #141416, #0c0c0e);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.07), 0 40px 120px rgba(0,0,0,.5);
  overflow: hidden;
}
.showcase__glow {
  position: absolute;
  top: -40%; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 500px;
  background: radial-gradient(ellipse at center, rgba(120,120,135,.16), rgba(10,10,10,0) 62%);
  pointer-events: none;
}
.showcase__bar {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.015);
}
.showcase__bar .dot { width: 11px; height: 11px; border-radius: 50%; background: #2c2c31; }
.showcase__bar .dot:nth-child(1) { background: #3a3a40; }
.showcase__tab {
  margin-left: 12px;
  font-size: 12.5px;
  color: var(--muted-2);
  letter-spacing: 0.02em;
}
.showcase__stage {
  position: relative;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 22px;
  padding: 34px;
}
.showcase__hero {
  display: grid; place-items: center;
  min-height: 340px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: radial-gradient(circle at 50% 38%, #24242a, #121214);
  color: #e8e6e1;
}
.showcase__hero .shirt { width: 46%; height: 46%; }
.showcase__thumbs { display: grid; grid-template-rows: repeat(3, 1fr); gap: 22px; }
.thumb {
  display: grid; place-items: center;
  border-radius: 14px;
  border: 1px solid var(--border);
}
.thumb .shirt { width: 44%; height: 44%; }
.thumb--1 { background: radial-gradient(circle at 45% 35%, #223027, #121514); color: #1f6f54; }
.thumb--2 { background: radial-gradient(circle at 45% 35%, #2a2320, #151212); color: #c2492e; }
.thumb--3 { background: radial-gradient(circle at 45% 35%, #1e2436, #101218); color: #2a3f6b; }

/* ---------- Split ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.split__list { list-style: none; margin: 24px 0 32px; }
.split__list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 15px;
}
.split__list li::before {
  content: "";
  position: absolute; left: 4px; top: 9px;
  width: 6px; height: 6px; border-radius: 50%;
  background: #5ac37d;
}
.split__visual {
  position: relative;
  background: linear-gradient(160deg, #161618, #0e0e10);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 34px;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  gap: 26px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
}
.swatches { display: flex; gap: 12px; flex-wrap: wrap; }
.swatch {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--c);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 2px 8px rgba(0,0,0,.4);
  padding: 0; cursor: pointer;
  appearance: none; -webkit-appearance: none;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.swatch:hover { transform: scale(1.12); }
.swatch:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; }
.swatch.is-active {
  transform: scale(1.12);
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px rgba(250,250,250,.9);
}
.shirt--lg { transition: color .35s var(--ease); }
.split__card {
  flex: 1;
  display: grid; place-items: center;
  background: radial-gradient(circle at 50% 40%, #202024, #101012);
  border-radius: 14px;
  border: 1px solid var(--border);
}

/* ---------- Statement ---------- */
.statement { padding: 120px 0; text-align: center; }
.statement h2 {
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.statement p {
  max-width: 560px;
  margin: 22px auto 44px;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 18px);
}
.statement__logos {
  display: flex; justify-content: center; flex-wrap: wrap;
  gap: 20px 44px;
  color: #4c4c52;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.06em;
}

/* ---------- Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.card {
  background: linear-gradient(180deg, #141416, var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  min-height: 150px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
  transition: transform .35s var(--ease), border-color .35s;
}
.card:hover { transform: translateY(-4px); border-color: #2c2c31; }
.card h3 { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.card p { margin-top: 10px; color: var(--muted-2); font-size: 14px; }

/* ---------- CTA ---------- */
.cta {
  position: relative;
  text-align: center;
  padding: 130px 0;
  overflow: hidden;
  border-top: 1px solid var(--border-soft);
}
.cta__glow {
  position: absolute;
  bottom: -320px; left: 50%;
  transform: translateX(-50%);
  width: 1000px; height: 620px;
  background: radial-gradient(ellipse at center, rgba(130,130,140,.2), rgba(10,10,10,0) 60%);
  pointer-events: none;
}
.cta__inner { position: relative; }
.cta h2 {
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.03;
  margin-bottom: 34px;
}
.cta__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 64px 0 40px; }
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border-soft);
}
.footer__brand p { margin-top: 16px; color: var(--muted-2); font-size: 14px; }
.footer__contact { margin-top: 14px; font-style: normal; color: var(--muted-2); font-size: 13px; line-height: 1.75; }
.footer__contact a { color: var(--muted); text-decoration: none; transition: color .2s; }
.footer__contact a:hover { color: var(--text); }
.footer__col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted-2); margin-bottom: 16px; }
.footer__col a { display: block; color: var(--muted); font-size: 14px; margin-bottom: 11px; transition: color .2s; }
.footer__col a:hover { color: var(--text); }
.footer__bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding-top: 28px;
  color: var(--muted-2);
  font-size: 13px;
}

/* ---------- Contact form ---------- */
.contact-form {
  max-width: 620px;
  margin: 0 auto;
  display: grid;
  gap: 18px;
}
.form-field { display: grid; gap: 8px; }
.form-field label {
  font-size: 14px;
  color: var(--muted);
  letter-spacing: -0.01em;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  line-height: 1.5;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--muted-2); }
.contact-form input:hover,
.contact-form textarea:hover { border-color: #2c2c30; }
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #3a3a40;
  background: var(--surface-2);
  box-shadow: 0 0 0 3px rgba(255,255,255,.05);
}
.contact-form input:invalid:not(:placeholder-shown),
.contact-form textarea:invalid:not(:placeholder-shown) {
  border-color: #6b2b2b;
}
.form-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.form-actions .btn { cursor: pointer; }
.form-actions .btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.form-status {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}
.form-status.is-success { color: #5ac37d; }
.form-status.is-error { color: #d97066; }
.contact-form select {
  padding: 12px 10px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text); font: inherit; font-size: 15px; cursor: pointer;
}
.contact-form select:hover { border-color: #2c2c30; }
.contact-form select:focus { outline: none; border-color: #3a3a40; background: var(--surface-2); }
.phone-row { display: flex; gap: 8px; }
.phone-row select { flex: 0 0 auto; max-width: 130px; }
.phone-row input { flex: 1; width: auto; }

/* ---------- Auth (đăng nhập / đăng ký) ---------- */
.auth { max-width: 400px; margin: 0 auto; text-align: center; }

/* Logo thương hiệu MANSON */
.auth__brand { display: flex; flex-direction: column; align-items: center; gap: 11px; margin-bottom: 44px; }
.auth__brand svg { width: 42px; height: 42px; }
.auth__brand-name {
  font-size: 25px; font-weight: 600;
  letter-spacing: .38em; text-indent: .38em; color: var(--text);
}
.auth__brand-tag {
  font-size: 11px; letter-spacing: .26em; text-transform: uppercase; color: var(--muted-2);
}

.auth__title { font-size: 27px; font-weight: 600; letter-spacing: -.015em; }
.auth__subtitle { margin: 7px 0 28px; color: var(--muted); font-size: 14.5px; }

.auth__banner {
  background: #241a0b; border: 1px solid #5a4416; color: #e6c07a;
  border-radius: 10px; padding: 12px 14px; font-size: 13.5px;
  line-height: 1.55; margin-bottom: 22px; text-align: left;
}

.auth__social { display: grid; gap: 12px; }
.auth__social .btn {
  width: 100%; display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 16px; border-radius: 12px; font-weight: 500;
  background: var(--surface); border: 1px solid var(--border); color: var(--text);
}
.auth__social .btn:hover { border-color: #2c2c30; background: var(--surface-2); }
.auth__social svg { width: 19px; height: 19px; }

.auth__divider {
  display: flex; align-items: center; gap: 12px;
  color: var(--muted-2); font-size: 13px; margin: 20px 0;
}
.auth__divider::before, .auth__divider::after {
  content: ""; flex: 1; height: 1px; background: var(--border);
}

/* Ô email có nút mũi tên bên trong */
.auth__inputwrap { position: relative; display: flex; align-items: center; }
.auth__inputwrap input {
  width: 100%; padding: 15px 56px 15px 16px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; color: var(--text); font: inherit; font-size: 15px;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.auth__inputwrap input:hover { border-color: #2c2c30; }
.auth__inputwrap input:focus { outline: none; border-color: #3a3a40; background: var(--surface-2); }
.auth__inputwrap input::placeholder { color: var(--muted-2); }
.auth__go {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  width: 40px; height: 40px; border-radius: 9px; border: none; cursor: pointer;
  background: var(--text); color: var(--bg); display: grid; place-items: center;
  transition: opacity .2s var(--ease);
}
.auth__go:hover { opacity: .85; }
.auth__go svg { width: 18px; height: 18px; }

/* Ô nhập mã (verify.html) */
.auth__panel { display: grid; gap: 16px; text-align: left; }
.auth input {
  width: 100%; padding: 14px 16px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; color: var(--text); font: inherit; font-size: 15px;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.auth input:hover { border-color: #2c2c30; }
.auth input:focus { outline: none; border-color: #3a3a40; background: var(--surface-2); }
.auth input::placeholder { color: var(--muted-2); }
#otp-code { text-align: center; letter-spacing: .35em; font-size: 20px; font-weight: 600; }
.auth .btn[type="submit"] { width: 100%; justify-content: center; display: flex; }

.auth__meta { display: flex; justify-content: center; margin-top: 4px; }
.auth__link {
  background: none; border: none; padding: 0; cursor: pointer;
  color: var(--muted); font: inherit; font-size: 13px; text-decoration: underline;
}
.auth__link:hover { color: var(--text); }
.auth__terms, .auth__note { margin-top: 22px; color: var(--muted-2); font-size: 12.5px; line-height: 1.55; }
.auth__terms a, .auth__note a { color: var(--muted); text-decoration: underline; }
.auth__terms a:hover, .auth__note a:hover { color: var(--text); }

/* ---------- Prose (trang pháp lý) ---------- */
.prose { max-width: 720px; margin: 0 auto; }
.prose h2 { font-size: 22px; font-weight: 600; letter-spacing: -.01em; margin: 34px 0 12px; }
.prose h2:first-child { margin-top: 0; font-size: 30px; }
.prose p { color: var(--muted); font-size: 15px; line-height: 1.75; margin-bottom: 14px; }
.prose a { color: var(--text); text-decoration: underline; }

/* ---------- Trang tài khoản ---------- */
.nav__user { text-decoration: none; transition: color .2s var(--ease); }
.nav__user:hover { color: var(--muted); }
.account__avatar {
  width: 76px; height: 76px; border-radius: 50%; margin: 0 auto 10px;
  display: grid; place-items: center;
  background: var(--surface-2); border: 1px solid var(--border);
  font-size: 30px; font-weight: 600; color: var(--text);
}
.account__meta { color: var(--muted-2); font-size: 13px; margin: 2px 0 26px; }
#acc-logout { width: 100%; justify-content: center; display: flex; }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
/* stagger children in grids */
.products__grid .product,
.features .feature,
.cards .card { transition-delay: calc(var(--i, 0) * 70ms); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .btn, .product, .feature, .card, .swatch, .shirt--lg { transition: none !important; }
}

/* ===================== Responsive ===================== */
@media (max-width: 980px) {
  .products__grid, .features, .cards { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .showcase__stage { grid-template-columns: 1fr; }
  .showcase__thumbs { grid-template-rows: none; grid-template-columns: repeat(3, 1fr); }
  .showcase__hero { min-height: 260px; }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .nav__toggle { display: inline-flex; }
  .nav__actions .btn--sm { display: none; }
  .nav__user { display: none; }
  .nav__links {
    display: none;
    position: absolute; left: 0; right: 0; top: 62px;
    flex-direction: column; gap: 0;
    padding: 6px 0 10px;
    background: rgba(10,10,10,.97);
    backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid var(--border);
  }
  .nav.is-open .nav__links { display: flex; }
  .nav__links a { padding: 13px 24px; font-size: 15px; }
  .hero { padding: 84px 0 64px; }
  .section { padding: 72px 0; }
  .statement, .cta { padding: 90px 0; }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .nav__actions { gap: 12px; }
  .nav__signin { font-size: 13px; }
  .products__grid, .features, .cards { grid-template-columns: 1fr; }
  .logos__grid { gap: 18px 30px; }
  .logos__item { font-size: 14px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__bottom { flex-direction: column; }
}