/* ==========================================================================
   World Gems Collection — free transfer landing
   Booking Systems Co., Ltd.
   ========================================================================== */

:root {
  --ink:        #08080a;
  --ink-soft:   #101014;
  --surface:    #16161b;
  --surface-2:  #1d1d23;
  --line:       rgba(255, 255, 255, .10);
  --line-soft:  rgba(255, 255, 255, .06);

  --gold:       #c9a45c;
  --gold-lift:  #e6c98d;
  --gold-deep:  #8a6d2f;
  --amber:      #d8862c;

  --text:       #edeae3;
  --text-dim:   #a7a299;
  --text-faint: #6f6b64;

  --font-display: "Cormorant Garamond", "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --wrap: 1220px;
  --gut: clamp(20px, 5vw, 64px);
  --radius: 2px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* --- reset ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: -.005em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -.015em;
  margin: 0;
}

/* --- primitives -------------------------------------------------------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }

.kicker {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.kicker::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--gold);
  opacity: .6;
  flex: none;
}
.kicker--center { justify-content: center; }

.section { padding-block: clamp(72px, 11vw, 148px); position: relative; }
.section--tight { padding-block: clamp(56px, 8vw, 104px); }
.section--alt { background: var(--ink-soft); }
.section__head { max-width: 780px; margin-bottom: clamp(40px, 6vw, 72px); }
.section__head--center { margin-inline: auto; text-align: center; }
.section__head--center .kicker { justify-content: center; }

h2.title { font-size: clamp(34px, 5.6vw, 62px); }
h3.title { font-size: clamp(24px, 3vw, 34px); }
.lede {
  color: var(--text-dim);
  font-size: clamp(16px, 1.6vw, 19px);
  margin: 22px 0 0;
  max-width: 62ch;
}
.section__head--center .lede { margin-inline: auto; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 30px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.btn--gold {
  background: linear-gradient(135deg, var(--gold-lift), var(--gold));
  color: #1b1508;
}
.btn--gold:hover { transform: translateY(-2px); background: var(--gold-lift); }
.btn--ghost { border-color: var(--line); color: var(--text); }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-lift); }
.btn--block { width: 100%; }
.btn--lg { padding: 19px 38px; font-size: 15px; }

/* --- header ------------------------------------------------------------ */
.hdr {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  transition: background .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.hdr.is-stuck {
  background: rgba(8, 8, 10, .88);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line-soft);
}
.hdr__in {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 40px);
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 12px; flex: none; min-width: 0; }
.brand__txt { min-width: 0; }
.brand__sub { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand__mark {
  width: 30px; height: 30px;
  flex: none;
  transform: rotate(45deg);
  border: 1px solid var(--gold);
  position: relative;
}
.brand__mark::after {
  content: "";
  position: absolute;
  inset: 5px;
  background: linear-gradient(135deg, var(--gold-lift), var(--gold-deep));
  opacity: .85;
}
.brand__txt { line-height: 1.1; }
.brand__name {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: .01em;
  display: block;
  white-space: nowrap;
}
.brand__sub {
  font-size: 9px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.nav { display: flex; gap: clamp(14px, 2vw, 30px); margin-left: auto; }
.nav a {
  font-size: 13px;
  white-space: nowrap;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding-block: 6px;
  position: relative;
  transition: color .25s var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width .3s var(--ease);
}
.nav a:hover { color: var(--text); }
.nav a:hover::after { width: 100%; }

.hdr__side { display: flex; align-items: center; gap: 16px; flex: none; }
.hdr__tel {
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  white-space: nowrap;
  transition: color .25s var(--ease);
}
.hdr__tel:hover { color: var(--gold-lift); }

.lang { display: flex; align-items: center; gap: 2px; font-size: 12px; letter-spacing: .1em; }
.lang a { color: var(--text-dim); padding: 4px 5px; transition: color .25s var(--ease); }
.lang a:hover { color: var(--text); }
.lang a[aria-current="true"] { color: var(--gold); }
.lang span { color: var(--line); }

.burger {
  display: none;
  width: 42px; height: 42px;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  padding: 0;
  position: relative;
}
.burger i {
  position: absolute;
  left: 11px; right: 11px;
  height: 1px;
  background: var(--text);
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.burger i:nth-child(1) { top: 15px; }
.burger i:nth-child(2) { top: 20px; }
.burger i:nth-child(3) { top: 25px; }
.burger[aria-expanded="true"] i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.burger[aria-expanded="true"] i:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* --- hero -------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: min(100svh, 900px);
  display: flex;
  align-items: flex-end;
  padding-top: 140px;
  padding-bottom: clamp(48px, 7vw, 88px);
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 58%;
  transform: scale(1.06);
  animation: heroDrift 22s var(--ease) forwards;
}
@keyframes heroDrift { to { transform: scale(1); } }
@media (prefers-reduced-motion: reduce) { .hero__bg img { animation: none; transform: none; } }
.hero__bg::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(to top, var(--ink) 2%, rgba(8,8,10,.88) 30%, rgba(8,8,10,.46) 60%, rgba(8,8,10,.82) 100%),
    radial-gradient(120% 80% at 15% 90%, rgba(201,164,92,.14), transparent 60%);
}
.hero__in { position: relative; z-index: 1; width: 100%; }
.hero h1 {
  font-size: clamp(34px, 7.4vw, 96px);
  max-width: 19ch;
  margin-bottom: 8px;
}
.hero h1 em { font-style: italic; color: var(--gold-lift); }
.hero h1 .hi {
  display: block;
  color: var(--gold-lift);
}
.hero__sub {
  color: var(--text-dim);
  font-size: clamp(16px, 1.8vw, 20px);
  max-width: 56ch;
  margin: 26px 0 36px;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }

.trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: clamp(40px, 6vw, 68px);
  border-top: 1px solid var(--line-soft);
}
.trust li {
  list-style: none;
  padding: 20px clamp(16px, 2.5vw, 32px) 0 0;
  margin-right: clamp(16px, 2.5vw, 32px);
  border-right: 1px solid var(--line-soft);
  font-size: 13px;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.trust li:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.trust b { color: var(--gold); font-weight: 600; }

/* --- steps ------------------------------------------------------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}
.step {
  background: var(--ink);
  padding: clamp(28px, 3.4vw, 44px);
  position: relative;
  transition: background .4s var(--ease);
}
.step:hover { background: var(--surface); }
.step__n {
  font-family: var(--font-display);
  font-size: 60px;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold-deep);
  display: block;
  margin-bottom: 22px;
  transition: -webkit-text-stroke-color .4s var(--ease), color .4s var(--ease);
}
.step:hover .step__n { -webkit-text-stroke-color: var(--gold); }
.step h3 { font-size: 24px; margin-bottom: 12px; }
.step p { color: var(--text-dim); font-size: 15.5px; margin: 0; }

/* --- alternating feature rows ------------------------------------------ */
.feat { display: grid; gap: clamp(28px, 4vw, 70px); align-items: center; }
@media (min-width: 900px) {
  .feat { grid-template-columns: 1fr 1fr; }
  .feat + .feat { margin-top: clamp(56px, 8vw, 130px); }
  .feat--flip .feat__media { order: 2; }
}
.feat + .feat { margin-top: 56px; }
.feat__media { position: relative; }
.feat__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.94) contrast(1.04);
}
.feat__media::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--line);
  pointer-events: none;
  transition: inset .5s var(--ease);
}
.feat__media:hover::after { inset: 12px; }
.feat__i {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: .3em;
  color: var(--gold);
  display: block;
  margin-bottom: 18px;
}
.feat__body h3 { font-size: clamp(27px, 3.4vw, 42px); margin-bottom: 18px; }
.feat__body p { color: var(--text-dim); margin: 0; }

/* --- department grid --------------------------------------------------- */
.depts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}
@media (min-width: 940px) {
  .depts { grid-template-columns: repeat(6, 1fr); grid-auto-rows: 210px; }
  .dept:nth-child(1) { grid-column: span 4; grid-row: span 2; }
  .dept:nth-child(2) { grid-column: span 2; }
  .dept:nth-child(3) { grid-column: span 2; }
  .dept:nth-child(4) { grid-column: span 2; }
  .dept:nth-child(5) { grid-column: span 2; }
  .dept:nth-child(6) { grid-column: span 2; }
}
.dept {
  position: relative;
  overflow: hidden;
  min-height: 210px;
  border: 1px solid var(--line-soft);
  isolation: isolate;
}
.dept img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: -2;
  transition: transform .8s var(--ease);
}
.dept::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(to top, rgba(8,8,10,.94) 6%, rgba(8,8,10,.55) 48%, rgba(8,8,10,.18) 100%);
  transition: background .5s var(--ease);
}
.dept:hover img { transform: scale(1.06); }
.dept:hover::after { background: linear-gradient(to top, rgba(8,8,10,.96) 6%, rgba(8,8,10,.62) 55%, rgba(8,8,10,.28) 100%); }
.dept__txt {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: clamp(20px, 2.4vw, 30px);
}
.dept__txt h3 { font-size: clamp(21px, 2.3vw, 30px); margin-bottom: 6px; }
.dept__txt p { margin: 0; font-size: 14.5px; color: var(--text-dim); max-width: 46ch; }

/* --- stones ------------------------------------------------------------ */
.stones {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}
.stone {
  background: var(--ink-soft);
  padding: clamp(26px, 3vw, 38px) clamp(20px, 2.4vw, 30px);
  transition: background .4s var(--ease);
}
.stone:hover { background: var(--surface); }
.stone__orb {
  width: 58px; height: 58px;
  border-radius: 50%;
  margin-bottom: 24px;
  position: relative;
  box-shadow: 0 0 34px -6px var(--glow, transparent);
  background:
    radial-gradient(circle at 32% 28%, rgba(255,255,255,.9), transparent 34%),
    radial-gradient(circle at 68% 74%, rgba(255,255,255,.22), transparent 46%),
    var(--orb, #444);
}
.stone h3 { font-size: 23px; margin-bottom: 8px; }
.stone p { margin: 0; font-size: 14.5px; color: var(--text-dim); }

/* --- guarantee cards --------------------------------------------------- */
.guards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.guard {
  border: 1px solid var(--line);
  padding: clamp(28px, 3vw, 40px);
  background: linear-gradient(160deg, var(--surface), var(--ink-soft));
  position: relative;
}
.guard::before {
  content: "";
  position: absolute;
  top: -1px; left: -1px;
  width: 46px; height: 1px;
  background: var(--gold);
}
.guard h3 { font-size: 25px; margin-bottom: 12px; }
.guard p { margin: 0; color: var(--text-dim); font-size: 15px; }

/* --- practical list ---------------------------------------------------- */
.facts { border-top: 1px solid var(--line-soft); }
.facts div {
  display: grid;
  grid-template-columns: minmax(150px, 240px) 1fr;
  gap: clamp(16px, 3vw, 48px);
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}
.facts dt {
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
  padding-top: 4px;
}
.facts dd { margin: 0; color: var(--text-dim); }
@media (max-width: 620px) { .facts div { grid-template-columns: 1fr; gap: 6px; } }

/* --- faq --------------------------------------------------------------- */
.faq { border-top: 1px solid var(--line); max-width: 900px; }
.qa { border-bottom: 1px solid var(--line); }
.qa__q {
  width: 100%;
  background: none;
  border: 0;
  text-align: left;
  padding: 26px 52px 26px 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.1vw, 25px);
  line-height: 1.28;
  cursor: pointer;
  position: relative;
  transition: color .3s var(--ease);
}
.qa__q:hover { color: var(--gold-lift); }
.qa__q::after,
.qa__q::before {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  background: var(--gold);
  transition: transform .35s var(--ease), opacity .35s var(--ease);
}
.qa__q::before { width: 15px; height: 1px; margin-top: -.5px; }
.qa__q::after { width: 1px; height: 15px; margin-top: -7.5px; right: 13px; }
.qa__q[aria-expanded="true"]::after { transform: rotate(90deg); opacity: 0; }
.qa__a {
  overflow: hidden;
  height: 0;
  transition: height .4s var(--ease);
}
.qa__a p {
  margin: 0;
  padding: 0 40px 28px 0;
  color: var(--text-dim);
  max-width: 68ch;
}

/* --- booking ----------------------------------------------------------- */
.book { position: relative; overflow: hidden; }
.book__bg { position: absolute; inset: 0; z-index: 0; }
.book__bg img { width: 100%; height: 100%; object-fit: cover; }
.book__bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(105deg, var(--ink) 30%, rgba(8,8,10,.9) 58%, rgba(8,8,10,.68) 100%);
}
.book__in { position: relative; z-index: 1; display: grid; gap: clamp(36px, 5vw, 66px); }
@media (min-width: 980px) { .book__in { grid-template-columns: .85fr 1.15fr; align-items: start; } }

.form {
  background: rgba(16, 16, 20, .82);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
  padding: clamp(26px, 3.2vw, 44px);
}
.form__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.f { display: flex; flex-direction: column; gap: 7px; }
.f--full { grid-column: 1 / -1; }
@media (max-width: 620px) { .form__grid { grid-template-columns: 1fr; } .f { grid-column: 1 / -1; } }
.f label {
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.f input, .f select, .f textarea {
  background: rgba(255, 255, 255, .03);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 14px;
  font-size: 15px;
  transition: border-color .25s var(--ease), background .25s var(--ease);
  width: 100%;
  min-width: 0;
}
.f textarea { resize: vertical; min-height: 82px; }
.f input:focus, .f select:focus, .f textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(255, 255, 255, .05);
}
.f input::placeholder, .f textarea::placeholder { color: var(--text-faint); }
.f select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--gold) 50%), linear-gradient(135deg, var(--gold) 50%, transparent 50%); background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 38px; }
.f select option { background: var(--surface); color: var(--text); }
.f.is-bad input, .f.is-bad select { border-color: #b5533f; }

.send { margin-top: 24px; display: grid; gap: 10px; }
.send__row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 480px) { .send__row { grid-template-columns: 1fr; } }
.btn--wa { background: #1f8f5f; color: #fff; }
.btn--wa:hover { background: #24a56d; transform: translateY(-2px); }
.btn--tg { background: #2b8fd0; color: #fff; }
.btn--tg:hover { background: #359ee2; transform: translateY(-2px); }
.send__note { font-size: 13px; color: var(--text-faint); margin: 6px 0 0; text-align: center; }

.book__aside h2 { margin-bottom: 24px; }
.contacts { list-style: none; padding: 0; margin: 30px 0 0; border-top: 1px solid var(--line-soft); }
.contacts li { padding: 16px 0; border-bottom: 1px solid var(--line-soft); display: flex; gap: 16px; align-items: baseline; }
.contacts span {
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-faint);
  min-width: 84px;
  flex: none;
}
.contacts a:hover { color: var(--gold-lift); }

/* --- footer ------------------------------------------------------------ */
.ftr { background: var(--ink-soft); border-top: 1px solid var(--line-soft); padding-block: clamp(48px, 6vw, 76px) 34px; }
.ftr__top { display: grid; gap: 36px; }
@media (min-width: 820px) { .ftr__top { grid-template-columns: 1.4fr 1fr 1fr; } }
.ftr p { color: var(--text-dim); font-size: 15px; }
.ftr h4 { font-family: var(--font-body); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--gold); margin: 0 0 16px; font-weight: 600; }
.ftr ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.ftr ul a { color: var(--text-dim); font-size: 15px; transition: color .25s var(--ease); }
.ftr ul a:hover { color: var(--text); }
.ftr__bar {
  margin-top: clamp(36px, 5vw, 56px);
  padding-top: 26px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-faint);
}
.disclaim {
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--gold-deep);
  padding: 18px 22px;
  margin-top: 30px;
  font-size: 13.5px;
  color: var(--text-faint);
  line-height: 1.6;
  max-width: 78ch;
}

/* --- mobile sticky cta ------------------------------------------------- */
.dock {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 55;
  display: none;
  gap: 8px;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  background: rgba(8, 8, 10, .94);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line-soft);
  transform: translateY(110%);
  transition: transform .4s var(--ease);
}
.dock.is-on { transform: translateY(0); }
.dock .btn { flex: 1; padding: 14px 12px; font-size: 12.5px; }

/* --- reveal ------------------------------------------------------------ */
.rv { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.rv.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } }

/* --- legal page -------------------------------------------------------- */
.doc { padding-top: 150px; max-width: 820px; }
.doc h1 { font-size: clamp(34px, 5vw, 54px); margin-bottom: 28px; }
.doc h2 { font-size: clamp(22px, 2.6vw, 30px); margin: 44px 0 14px; }
.doc p, .doc li { color: var(--text-dim); }
.doc ul { padding-left: 20px; }
.doc a { color: var(--gold); }

/* --- responsive -------------------------------------------------------- */
@media (max-width: 1320px) {
  .hdr__tel { display: none; }
}
@media (max-width: 1080px) {
  .burger { display: block; order: 3; }
  .nav {
    position: fixed;
    inset: 76px 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: rgba(8, 8, 10, .98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    padding: 8px var(--gut) 24px;
    transform: translateY(-140%);
    transition: transform .45s var(--ease);
    margin-left: 0;
  }
  .nav.is-open { transform: translateY(0); }
  .nav a { padding: 15px 0; border-bottom: 1px solid var(--line-soft); font-size: 15px; }
  .hdr__side { margin-left: auto; }
  .hdr__side .btn { display: none; }
  .dock { display: flex; }
  body { padding-bottom: 0; }
}
@media (max-width: 620px) {
  .brand__name { font-size: 17px; }
  .brand__sub { display: none; }
  .hdr__side { gap: 10px; }
}