:root {
  --ms-bg: #f7fbff;
  --ms-surface: #ffffff;
  --ms-ink: #151722;
  --ms-muted: #637083;
  --ms-line: #dbe6f0;
  --ms-primary: #06c6ec;
  --ms-primary-strong: #007fa8;
  --ms-coral: #d72d4d;
  --ms-lime: #a8f03d;
  --ms-yellow: #ffd166;
  --ms-plum: #5b4bff;
  --ms-dark: #202235;
  --ms-radius: 8px;
  --ms-shadow: 0 18px 40px rgba(21, 23, 34, 0.12);
  --ms-nav-h: 60px;

  /* ── Type scale ── */
  --ms-text-xs: clamp(0.72rem, 0.68rem + 0.2vw, 0.8rem);
  --ms-text-sm: clamp(0.82rem, 0.78rem + 0.2vw, 0.9rem);
  --ms-text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.06rem);
  --ms-text-md: clamp(1.08rem, 1rem + 0.35vw, 1.25rem);
  --ms-text-lg: clamp(1.3rem, 1.15rem + 0.6vw, 1.6rem);
  --ms-text-xl: clamp(1.6rem, 1.35rem + 1vw, 2.1rem);
  --ms-text-2xl: clamp(2rem, 1.6rem + 1.6vw, 2.8rem);
  --ms-text-display: clamp(2.6rem, 2rem + 2.4vw, 4rem);

  /* ── Spacing scale ── */
  --ms-sp-1: 4px;
  --ms-sp-2: 8px;
  --ms-sp-3: 12px;
  --ms-sp-4: 16px;
  --ms-sp-6: 24px;
  --ms-sp-8: 32px;
  --ms-sp-10: 40px;
  --ms-sp-12: 48px;
  --ms-sp-16: 64px;
  --ms-sp-20: 80px;
  --ms-sp-24: 96px;
  --ms-sp-32: 128px;

  /* ── Easing ── */
  --ms-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ms-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ms-ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body.ms-body {
  margin: 0;
  color: var(--ms-ink);
  background: var(--ms-bg);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft JhengHei", "PingFang TC", sans-serif;
  line-height: 1.65;
}

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

img {
  display: block;
  max-width: 100%;
}

button,
input,
select {
  font: inherit;
}

.ms-skip {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 8px 12px;
  background: var(--ms-ink);
  color: #fff;
  transform: translateY(-160%);
}

.ms-skip:focus {
  transform: translateY(0);
}

/* ── Top Navigation Bar ── */
.ms-topnav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--ms-nav-h);
  padding: 0 28px;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--ms-line);
  backdrop-filter: blur(14px);
}

.ms-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.ms-brand picture {
  display: block;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--ms-line);
}

.ms-brand picture,
.ms-brand img {
  width: 36px;
  height: 36px;
}

.ms-brand img {
  border-radius: 7px;
  object-fit: cover;
}

.ms-brand-text {
  font-family: "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.1;
  white-space: nowrap;
}

.ms-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.ms-nav a {
  position: relative;
  display: flex;
  align-items: center;
  height: 38px;
  padding: 0 14px;
  border-radius: 8px;
  color: var(--ms-muted);
  font-weight: 700;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: background 150ms ease, color 150ms ease;
}

.ms-nav a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 3px;
  border-radius: 99px;
  background: var(--ms-primary);
  transform: translateX(-50%);
  transition: width 180ms ease;
}

.ms-nav a:hover,
.ms-nav a:focus-visible,
.ms-nav a.ms-active {
  background: #eefaff;
  color: var(--ms-ink);
}

.ms-nav a:hover::after,
.ms-nav a:focus-visible::after,
.ms-nav a.ms-active::after {
  width: 60%;
}

/* Hamburger button — hidden on desktop */
.ms-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--ms-line);
  background: #fff;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}

.ms-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ms-ink);
  transition: transform 200ms ease, opacity 200ms ease;
}

/* Mobile dropdown overlay */
.ms-mobile-dropdown {
  display: none;
  position: fixed;
  top: var(--ms-nav-h);
  left: 0;
  right: 0;
  z-index: 39;
  padding: 12px 20px 20px;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--ms-line);
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 32px rgba(21, 23, 34, 0.10);
}

.ms-mobile-dropdown.ms-open {
  display: block;
}

.ms-mobile-dropdown .ms-nav {
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
}

.ms-mobile-dropdown .ms-nav a {
  height: 44px;
  padding: 0 16px;
  font-size: 1rem;
}

.ms-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-family: "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--ms-primary-strong);
}

/* ── Main content: full-width, single column ── */
.ms-main {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: calc(var(--ms-nav-h) + 28px) 34px 0;
}

.ms-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 800;
  cursor: pointer;
}

.ms-btn-primary {
  background: var(--ms-ink);
  color: #fff;
  box-shadow: 7px 7px 0 var(--ms-primary);
}

.ms-btn-primary:hover,
.ms-btn-primary:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 9px 9px 0 var(--ms-coral);
}

.ms-btn-secondary {
  background: #fff;
  border-color: var(--ms-line);
  color: var(--ms-ink);
}

.ms-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: 36px;
  min-height: 680px;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--ms-line);
}

.ms-hero::before {
  content: "";
  position: absolute;
  inset: 52px 0 auto auto;
  width: 62%;
  height: 72%;
  background:
    repeating-linear-gradient(135deg, rgba(0, 212, 255, 0.28) 0 8px, transparent 8px 18px),
    linear-gradient(135deg, rgba(255, 79, 109, 0.18), rgba(168, 240, 61, 0.18));
  transform: skewX(-8deg);
  z-index: -1;
}

.ms-hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: 4rem;
  line-height: 1.02;
  letter-spacing: 0;
}

.ms-hero p {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--ms-muted);
  font-size: 1.05rem;
}

.ms-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.ms-phone-stage {
  position: relative;
  min-height: 520px;
}

.ms-phone-stage picture,
.ms-page-hero picture {
  display: block;
  width: 100%;
}

.ms-stage-image {
  width: 100%;
  min-height: 420px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--ms-shadow);
  transform: rotate(1.5deg);
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.ms-phone-card {
  position: absolute;
  right: 28px;
  bottom: 18px;
  width: min(320px, 78%);
  padding: 18px;
  border-radius: 8px;
  background: rgba(21, 23, 34, 0.92);
  color: #fff;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.26);
}

.ms-phone-top {
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.72);
  font-family: "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
  font-weight: 700;
}

.ms-match-chip {
  margin-top: 10px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  cursor: pointer;
}

.ms-match-chip b,
.ms-match-chip span {
  display: block;
}

.ms-match-chip span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.85rem;
}

.ms-match-chip.ms-active {
  background: var(--ms-primary);
  color: var(--ms-ink);
}

.ms-match-chip.ms-active span {
  color: rgba(21, 23, 34, 0.75);
}

#ms-phone-panel {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
}

.ms-signal-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin: 18px 0 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--ms-line);
  background: var(--ms-line);
}

.ms-signal-strip div {
  padding: 18px;
  background: #fff;
}

.ms-signal-strip span {
  font-family: "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
}

.ms-signal-strip p {
  margin: 4px 0 0;
  color: var(--ms-muted);
}

.ms-section {
  padding: 72px 0;
}

.ms-section-head {
  max-width: 780px;
  margin-bottom: 30px;
}

.ms-section-head h2,
.ms-worldcup h2,
.ms-page-hero h1,
.ms-tool-copy h2,
.ms-info-panel h2,
.ms-author-band h2 {
  margin: 0;
  font-size: 2.45rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.ms-section-head p,
.ms-worldcup p,
.ms-info-panel p {
  color: var(--ms-muted);
}

.ms-lane-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.ms-lane-card {
  position: relative;
  min-height: 390px;
  padding: 16px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--ms-line);
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.ms-lane-card picture,
.ms-lane-card img {
  width: 100%;
  height: 190px;
}

.ms-lane-card picture {
  display: block;
}

.ms-lane-card img {
  object-fit: cover;
  border-radius: 6px;
  filter: saturate(1.08);
}

.ms-lane-card:hover,
.ms-lane-card:focus-visible {
  transform: translateY(-5px);
  box-shadow: var(--ms-shadow);
}

.ms-lane-index {
  display: inline-flex;
  margin-top: 14px;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--ms-lime);
  font-family: "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
  font-weight: 700;
}

.ms-lane-card h3,
.ms-dock-card h3,
.ms-article-card h3,
.ms-step h3 {
  margin: 12px 0 6px;
  font-size: 1.25rem;
  line-height: 1.3;
}

.ms-lane-card p,
.ms-dock-card p,
.ms-article-card p,
.ms-step p {
  margin: 0;
  color: var(--ms-muted);
}

.ms-card-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--ms-primary-strong);
  font-weight: 800;
}

.ms-worldcup {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 24px;
  align-items: stretch;
  padding: 44px;
  border-radius: 8px;
  background: var(--ms-dark);
  color: #fff;
}

.ms-worldcup p {
  color: rgba(255, 255, 255, 0.74);
}

.ms-step-rail {
  display: grid;
  gap: 14px;
}

.ms-step {
  padding: 18px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.ms-step span {
  font-family: "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
  color: var(--ms-yellow);
  font-weight: 700;
}

.ms-planner,
.ms-tool-shell,
.ms-info-panel,
.ms-empty-state,
.ms-article-card,
.ms-dock-card,
.ms-search-box {
  border-radius: 8px;
  border: 1px solid var(--ms-line);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 28px rgba(21, 23, 34, 0.08);
}

.ms-planner {
  padding: 18px;
}

.ms-tab-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.ms-tab-btn {
  min-height: 40px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--ms-line);
  background: #fff;
  cursor: pointer;
  font-weight: 800;
}

.ms-tab-btn.ms-active {
  background: var(--ms-primary);
  color: var(--ms-ink);
  border-color: var(--ms-primary);
}

.ms-tab-panel {
  padding: 24px;
  border-radius: 8px;
  background: #f3fbff;
  border-left: 6px solid var(--ms-coral);
}

.ms-tab-panel h3 {
  margin: 0 0 8px;
}

.ms-tab-panel p {
  margin: 0;
  color: var(--ms-muted);
}

.ms-article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.ms-article-card {
  overflow: hidden;
}

.ms-article-card > div {
  padding: 18px;
}

.ms-article-img img {
  width: 100%;
  height: 210px;
  object-fit: cover;
}

.ms-chip {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: #ebfbff;
  color: #006f90;
  font-weight: 800;
  font-size: 0.82rem;
}

.ms-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--ms-muted);
  font-size: 0.88rem;
}

.ms-empty-state {
  display: grid;
  place-items: center;
  min-height: 220px;
  padding: 30px;
  text-align: center;
}

.ms-empty-pulse {
  width: 16px;
  height: 16px;
  border-radius: 99px;
  background: var(--ms-coral);
  box-shadow: 0 0 0 12px rgba(255, 79, 109, 0.14);
}

.ms-dock-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.ms-dock-card {
  padding: 18px;
}

.ms-dock-card span {
  font-family: "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
  color: var(--ms-coral);
  font-size: 1.5rem;
  font-weight: 700;
}

.ms-author-band {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: 28px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--ms-line);
}

.ms-author-band picture,
.ms-author-band img {
  width: 260px;
}

.ms-author-band picture {
  display: block;
}

.ms-author-band img {
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 8px;
}

.ms-role {
  color: var(--ms-primary-strong);
  font-weight: 800;
}

.ms-accordion {
  display: grid;
  gap: 8px;
}

.ms-acc-trigger {
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid var(--ms-line);
  background: #fff;
  text-align: left;
  font-weight: 800;
  cursor: pointer;
}

.ms-acc-panel {
  display: none;
  padding: 0 16px 14px;
  color: var(--ms-muted);
}

.ms-acc-trigger.ms-open + .ms-acc-panel {
  display: block;
}

.ms-page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 28px;
  align-items: center;
  padding: 46px 0 34px;
  border-bottom: 1px solid var(--ms-line);
}

.ms-page-hero > div {
  max-width: 760px;
}

.ms-page-hero p {
  color: var(--ms-muted);
}

.ms-page-hero picture,
.ms-page-hero img {
  width: 100%;
}

.ms-page-hero img {
  height: 320px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--ms-shadow);
}

.ms-two-col,
.ms-contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.ms-contact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ms-info-panel {
  padding: 22px;
}

.ms-link-stack {
  display: grid;
  gap: 8px;
}

.ms-link-stack a {
  padding: 10px 12px;
  border-radius: 8px;
  background: #f3fbff;
  font-weight: 800;
}

.ms-tool-index {
  display: grid;
  gap: 22px;
}

.ms-tool-shell {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 22px;
  padding: 20px;
  align-items: start;
}

.ms-tool-copy p {
  color: var(--ms-muted);
}

.ms-tool-card {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 8px;
  background: #f5fbff;
  border: 1px solid var(--ms-line);
}

.ms-tool-card label,
.ms-search-box label {
  display: grid;
  gap: 6px;
  color: var(--ms-muted);
  font-weight: 700;
}

.ms-tool-card input,
.ms-tool-card select,
.ms-search-box input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--ms-line);
  border-radius: 8px;
  padding: 8px 10px;
  background: #fff;
  color: var(--ms-ink);
}

.ms-check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.ms-check-grid label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--ms-line);
  color: var(--ms-ink);
}

.ms-tool-result {
  display: block;
  min-height: 54px;
  padding: 14px;
  border-radius: 8px;
  background: var(--ms-dark);
  color: #fff;
}

.ms-glossary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.ms-glossary-grid article {
  min-height: 180px;
  padding: 18px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--ms-line);
}

.ms-glossary-grid span {
  display: block;
  margin-bottom: 8px;
  font-weight: 900;
  color: var(--ms-primary-strong);
}

.ms-glossary-grid p {
  margin: 0;
  color: var(--ms-muted);
}

.ms-prose {
  max-width: 820px;
  color: var(--ms-muted);
}

.ms-prose h2 {
  color: var(--ms-ink);
}
.ms-prose table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.ms-prose th { background: var(--ms-primary); color: var(--ms-ink); padding: 10px 14px; font-weight: 700; text-align: left; font-size: 0.875rem; }
.ms-prose td { padding: 10px 14px; border-bottom: 1px solid var(--ms-line); font-size: 0.875rem; color: var(--ms-ink); }
.ms-prose tr:nth-child(even) td { background: rgba(6,198,236,.07); }

.ms-article-page {
  max-width: 980px;
}

.ms-article-hero {
  padding: 48px 0 24px;
}

.ms-article-hero h1 {
  margin: 12px 0;
  font-size: 3rem;
  line-height: 1.12;
}

.ms-article-hero > p {
  color: var(--ms-muted);
}

.ms-article-hero img {
  margin-top: 22px;
  width: 100%;
  border-radius: 8px;
  object-fit: cover;
}

.ms-search-box {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  padding: 18px;
  align-items: end;
}

.ms-search-results {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.ms-search-results a {
  display: block;
  padding: 16px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--ms-line);
  font-weight: 800;
}

.ms-footer {
  padding: 34px;
  background: var(--ms-dark);
  color: #fff;
}

.ms-footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 28px;
}

.ms-footer-brand {
  display: inline-block;
  margin-bottom: 10px;
  font-family: "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
}

.ms-footer p,
.ms-footer-bottom {
  color: rgba(255, 255, 255, 0.7);
}

.ms-footer-links {
  display: grid;
  gap: 8px;
}

.ms-footer-links a {
  color: rgba(255, 255, 255, 0.84);
}

.ms-footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.ms-reveal {
  opacity: 1;
  transform: none;
  transition: opacity 480ms ease, transform 480ms ease;
}

.ms-reveal.ms-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }

  .ms-reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 768px) {
  /* Show hamburger, hide desktop nav */
  .ms-menu-toggle {
    display: flex;
  }

  .ms-topnav .ms-nav {
    display: none;
  }

  .ms-topnav {
    padding: 0 16px;
  }

  .ms-main {
    padding: calc(var(--ms-nav-h) + 16px) 20px 0;
  }

  .ms-hero,
  .ms-page-hero,
  .ms-worldcup,
  .ms-tool-shell,
  .ms-author-band {
    grid-template-columns: 1fr;
  }

  .ms-hero {
    min-height: auto;
    padding-top: 24px;
  }

  .ms-hero h1 {
    font-size: 3rem;
  }

  .ms-signal-strip,
  .ms-lane-grid,
  .ms-article-grid,
  .ms-dock-grid,
  .ms-glossary-grid,
  .ms-footer-inner,
  .ms-two-col,
  .ms-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 540px) {
  .ms-main {
    padding: calc(var(--ms-nav-h) + 12px) 14px 0;
  }

  .ms-hero h1,
  .ms-page-hero h1,
  .ms-article-hero h1 {
    font-size: 2.25rem;
  }

  .ms-section-head h2,
  .ms-worldcup h2,
  .ms-tool-copy h2,
  .ms-info-panel h2,
  .ms-author-band h2 {
    font-size: 1.85rem;
  }

  .ms-phone-stage {
    min-height: 430px;
  }

  .ms-stage-image {
    min-height: 360px;
  }

  .ms-phone-card {
    left: 14px;
    right: 14px;
    width: auto;
  }

  .ms-signal-strip,
  .ms-lane-grid,
  .ms-article-grid,
  .ms-dock-grid,
  .ms-glossary-grid,
  .ms-footer-inner,
  .ms-two-col,
  .ms-contact-grid,
  .ms-check-grid,
  .ms-search-box {
    grid-template-columns: 1fr;
  }

  .ms-worldcup {
    padding: 24px;
  }

  .ms-footer {
    padding: 28px 18px;
  }

  .ms-footer-bottom {
    display: grid;
  }
}

/* ══════════════════════════════════════════════════════
   HOMEPAGE — APP-LIKE CARD STACK
   ══════════════════════════════════════════════════════ */

/* ── Hero: compact app-header with floating stat badges ── */
.ms-hp-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  align-items: center;
  gap: var(--ms-sp-6);
  padding: var(--ms-sp-12) 0 var(--ms-sp-10);
  border-bottom: 1px solid var(--ms-line);
  overflow: hidden;
}

.ms-hp-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.ms-hp-hero .ms-kicker {
  margin-bottom: var(--ms-sp-3);
}

.ms-hp-hero h1 {
  margin: 0;
  font-size: var(--ms-text-display);
  line-height: 1.05;
  letter-spacing: 0;
}

.ms-hp-hero-desc {
  max-width: 560px;
  margin: var(--ms-sp-4) 0 0;
  color: var(--ms-muted);
  font-size: var(--ms-text-base);
  line-height: 1.7;
}

.ms-hp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ms-sp-3);
  margin-top: var(--ms-sp-6);
}

/* Floating stat badges around hero */
.ms-hp-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ms-sp-3);
  margin-top: var(--ms-sp-6);
}

.ms-hp-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--ms-sp-2);
  padding: var(--ms-sp-2) var(--ms-sp-4);
  border-radius: 999px;
  background: var(--ms-surface);
  border: 1px solid var(--ms-line);
  box-shadow: 0 4px 16px rgba(21, 23, 34, 0.06);
  font-size: var(--ms-text-sm);
  font-weight: 700;
  white-space: nowrap;
  transition: transform 0.3s var(--ms-ease-spring), box-shadow 0.3s ease;
}

.ms-hp-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6, 198, 236, 0.12);
}

.ms-hp-badge strong {
  color: var(--ms-primary-strong);
  font-size: var(--ms-text-md);
}

/* Phone mockup in hero */
.ms-hp-phone {
  position: relative;
  width: 100%;
  z-index: 0;
  opacity: 0.92;
}

.ms-hp-phone picture { display: block; }

.ms-hp-phone img {
  width: 100%;
  border-radius: var(--ms-radius);
  box-shadow: var(--ms-shadow);
}

.ms-hp-phone-card {
  position: absolute;
  right: var(--ms-sp-4);
  bottom: var(--ms-sp-4);
  width: min(280px, 70%);
  padding: var(--ms-sp-4);
  border-radius: var(--ms-radius);
  background: rgba(21, 23, 34, 0.92);
  color: #fff;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
  font-size: var(--ms-text-sm);
}

.ms-hp-phone-top {
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 700;
  margin-bottom: var(--ms-sp-2);
}

.ms-hp-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ms-sp-2);
}

.ms-hp-chip {
  padding: var(--ms-sp-1) var(--ms-sp-3);
  border-radius: var(--ms-radius);
  border: 1px solid rgba(255, 255, 255, 0.16);
  font-size: var(--ms-text-xs);
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease;
}

.ms-hp-chip.ms-active {
  background: var(--ms-primary);
  color: var(--ms-ink);
  border-color: var(--ms-primary);
}

/* ── Section pill headers (left-aligned) ── */
.ms-hp-section {
  padding: var(--ms-sp-16) 0 var(--ms-sp-12);
}

.ms-hp-section-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--ms-sp-2);
  margin-bottom: var(--ms-sp-8);
}

.ms-hp-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--ms-sp-1) var(--ms-sp-3);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(6, 198, 236, 0.12), rgba(91, 75, 255, 0.08));
  color: var(--ms-primary-strong);
  font-size: var(--ms-text-xs);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.ms-hp-section-head h2 {
  margin: 0;
  font-size: var(--ms-text-2xl);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.ms-hp-section-head > p {
  max-width: 600px;
  margin: 0;
  color: var(--ms-muted);
  font-size: var(--ms-text-base);
}

/* ── Masonry-like card grid (varied heights) ── */
.ms-hp-masonry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: auto;
  gap: var(--ms-sp-4);
}

.ms-hp-masonry .ms-hp-card:nth-child(1) { grid-row: span 2; }
.ms-hp-masonry .ms-hp-card:nth-child(4) { grid-row: span 2; }

.ms-hp-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--ms-sp-4);
  border-radius: 14px;
  background: var(--ms-surface);
  border: 1px solid var(--ms-line);
  overflow: hidden;
  transition: transform 0.35s var(--ms-ease-spring), box-shadow 0.35s ease;
}

.ms-hp-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(6, 198, 236, 0.10);
}

.ms-hp-card picture { display: block; }

.ms-hp-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 10px;
  filter: saturate(1.05);
}

.ms-hp-masonry .ms-hp-card:nth-child(1) img,
.ms-hp-masonry .ms-hp-card:nth-child(4) img {
  aspect-ratio: 4 / 5;
  min-height: 200px;
}

.ms-hp-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-top: var(--ms-sp-3);
}

.ms-hp-card-idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--ms-lime);
  color: var(--ms-ink);
  font-weight: 800;
  font-size: var(--ms-text-xs);
  margin-bottom: var(--ms-sp-2);
}

.ms-hp-card h3 {
  margin: 0 0 var(--ms-sp-1);
  font-size: var(--ms-text-md);
  line-height: 1.3;
}

.ms-hp-card p {
  margin: 0;
  color: var(--ms-muted);
  font-size: var(--ms-text-sm);
  flex: 1;
}

.ms-hp-card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: var(--ms-sp-3);
  color: var(--ms-primary-strong);
  font-weight: 800;
  font-size: var(--ms-text-sm);
}

.ms-hp-card-link::after {
  content: "\2192";
  transition: transform 0.2s ease;
}

.ms-hp-card:hover .ms-hp-card-link::after {
  transform: translateX(3px);
}

/* ── Dark panel: World Cup steps (horizontal scroll row) ── */
.ms-hp-dark-panel {
  padding: var(--ms-sp-10) var(--ms-sp-8);
  border-radius: 16px;
  background: var(--ms-dark);
  color: #fff;
}

.ms-hp-dark-panel .ms-hp-pill {
  background: rgba(6, 198, 236, 0.15);
  color: var(--ms-primary);
}

.ms-hp-dark-panel .ms-hp-section-head h2 {
  color: #fff;
}

.ms-hp-dark-panel .ms-hp-section-head > p {
  color: rgba(255, 255, 255, 0.7);
}

.ms-hp-scroll-row {
  display: flex;
  gap: var(--ms-sp-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--ms-sp-2);
  scrollbar-width: thin;
  scrollbar-color: rgba(6, 198, 236, 0.3) transparent;
}

.ms-hp-scroll-row::-webkit-scrollbar {
  height: 4px;
}

.ms-hp-scroll-row::-webkit-scrollbar-thumb {
  background: rgba(6, 198, 236, 0.3);
  border-radius: 99px;
}

.ms-hp-step-card {
  flex: 0 0 min(320px, 80vw);
  scroll-snap-align: start;
  padding: var(--ms-sp-6);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.3s ease;
}

.ms-hp-step-card:hover {
  background: rgba(255, 255, 255, 0.1);
}

.ms-hp-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--ms-yellow);
  color: var(--ms-dark);
  font-weight: 800;
  font-size: var(--ms-text-base);
  margin-bottom: var(--ms-sp-3);
}

.ms-hp-step-card h3 {
  margin: 0 0 var(--ms-sp-2);
  font-size: var(--ms-text-md);
  line-height: 1.3;
  color: #fff;
}

.ms-hp-step-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--ms-text-sm);
  line-height: 1.6;
}

/* ── Tabs: app-like pill tabs ── */
.ms-hp-tabs-section {
  padding: var(--ms-sp-16) 0 var(--ms-sp-12);
}

.ms-hp-tabs-wrap {
  padding: var(--ms-sp-6);
  border-radius: 16px;
  background: var(--ms-surface);
  border: 1px solid var(--ms-line);
  box-shadow: 0 12px 36px rgba(21, 23, 34, 0.06);
}

.ms-hp-tabs-bar {
  display: flex;
  gap: var(--ms-sp-2);
  padding: var(--ms-sp-1);
  border-radius: 12px;
  background: var(--ms-bg);
  margin-bottom: var(--ms-sp-6);
}

.ms-hp-tab-btn {
  flex: 1;
  min-height: 42px;
  padding: var(--ms-sp-2) var(--ms-sp-4);
  border-radius: 10px;
  border: none;
  background: transparent;
  color: var(--ms-muted);
  font-weight: 800;
  font-size: var(--ms-text-sm);
  cursor: pointer;
  transition: all 0.25s var(--ms-ease-out);
}

.ms-hp-tab-btn.ms-active {
  background: var(--ms-surface);
  color: var(--ms-ink);
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(21, 23, 34, 0.08);
}

.ms-hp-tab-panel {
  padding: var(--ms-sp-6);
  border-radius: 12px;
  background: linear-gradient(135deg, #f0faff, #f7fbff);
  border-left: 5px solid var(--ms-primary);
}

.ms-hp-tab-panel h3 {
  margin: 0 0 var(--ms-sp-2);
  font-size: var(--ms-text-md);
}

.ms-hp-tab-panel p {
  margin: 0;
  color: var(--ms-muted);
  font-size: var(--ms-text-base);
  line-height: 1.7;
}

/* ── Articles: horizontal scroll cards ── */
.ms-hp-article-scroll {
  display: flex;
  gap: var(--ms-sp-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--ms-sp-3);
  scrollbar-width: thin;
  scrollbar-color: rgba(6, 198, 236, 0.3) transparent;
}

.ms-hp-article-scroll::-webkit-scrollbar {
  height: 4px;
}

.ms-hp-article-scroll::-webkit-scrollbar-thumb {
  background: rgba(6, 198, 236, 0.3);
  border-radius: 99px;
}

.ms-hp-article-card {
  flex: 0 0 min(320px, 80vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  border-radius: 14px;
  background: var(--ms-surface);
  border: 1px solid var(--ms-line);
  overflow: hidden;
  transition: transform 0.3s var(--ms-ease-spring), box-shadow 0.3s ease;
}

.ms-hp-article-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(21, 23, 34, 0.08);
}

.ms-hp-article-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.ms-hp-article-card-body {
  padding: var(--ms-sp-4);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.ms-hp-article-chip {
  display: inline-flex;
  align-self: flex-start;
  padding: 3px var(--ms-sp-3);
  border-radius: 999px;
  background: rgba(6, 198, 236, 0.1);
  color: var(--ms-primary-strong);
  font-size: var(--ms-text-xs);
  font-weight: 800;
  margin-bottom: var(--ms-sp-2);
}

.ms-hp-article-card h3 {
  margin: 0 0 var(--ms-sp-2);
  font-size: var(--ms-text-base);
  line-height: 1.35;
}

.ms-hp-article-card h3 a { color: var(--ms-ink); }

.ms-hp-article-card p {
  margin: 0;
  color: var(--ms-muted);
  font-size: var(--ms-text-sm);
  line-height: 1.6;
}

/* ── Tool dock: large floating panels ── */
.ms-hp-tool-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--ms-sp-4);
}

.ms-hp-tool-panel {
  display: flex;
  flex-direction: column;
  padding: var(--ms-sp-8);
  border-radius: 18px;
  background: var(--ms-surface);
  border: 1px solid var(--ms-line);
  box-shadow: 0 8px 32px rgba(21, 23, 34, 0.05);
  transition: transform 0.35s var(--ms-ease-spring), box-shadow 0.35s ease;
}

.ms-hp-tool-panel:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 48px rgba(6, 198, 236, 0.10);
}

.ms-hp-tool-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--ms-coral), #ff6b7a);
  color: #fff;
  font-weight: 800;
  font-size: var(--ms-text-lg);
  margin-bottom: var(--ms-sp-4);
}

.ms-hp-tool-panel h3 {
  margin: 0 0 var(--ms-sp-2);
  font-size: var(--ms-text-lg);
  line-height: 1.25;
}

.ms-hp-tool-panel p {
  margin: 0;
  color: var(--ms-muted);
  font-size: var(--ms-text-base);
  line-height: 1.65;
}

/* ── Author: compact profile card ── */
.ms-hp-author {
  display: flex;
  align-items: center;
  gap: var(--ms-sp-6);
  padding: var(--ms-sp-6);
  border-radius: 16px;
  background: var(--ms-surface);
  border: 1px solid var(--ms-line);
  box-shadow: 0 8px 28px rgba(21, 23, 34, 0.05);
  max-width: 680px;
}

.ms-hp-author-avatar {
  flex-shrink: 0;
  width: 100px;
  height: 100px;
}

.ms-hp-author-avatar picture { display: block; }

.ms-hp-author-avatar img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--ms-primary);
}

.ms-hp-author-info {
  flex: 1;
  min-width: 0;
}

.ms-hp-author-info h2 {
  margin: 0;
  font-size: var(--ms-text-lg);
  line-height: 1.2;
}

.ms-hp-author-role {
  color: var(--ms-primary-strong);
  font-weight: 800;
  font-size: var(--ms-text-sm);
  margin: var(--ms-sp-1) 0 var(--ms-sp-2);
}

.ms-hp-author-info > p {
  margin: 0;
  color: var(--ms-muted);
  font-size: var(--ms-text-sm);
  line-height: 1.65;
}

.ms-hp-author-info .ms-btn {
  margin-top: var(--ms-sp-3);
}

/* ── CTA: floating bottom bar ── */
.ms-hp-cta-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ms-sp-4);
  padding: var(--ms-sp-6) var(--ms-sp-8);
  border-radius: 16px;
  background: linear-gradient(135deg, var(--ms-dark), #2a2d42);
  color: #fff;
  box-shadow: 0 12px 40px rgba(21, 23, 34, 0.15);
  overflow: hidden;
}

.ms-hp-cta-bar::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6, 198, 236, 0.15), transparent 70%);
  pointer-events: none;
}

.ms-hp-cta-content {
  position: relative;
  z-index: 1;
}

.ms-hp-cta-content h3 {
  margin: 0 0 var(--ms-sp-1);
  font-size: var(--ms-text-lg);
}

.ms-hp-cta-content p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--ms-text-sm);
}

.ms-hp-cta-bar .ms-btn-primary {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  background: var(--ms-primary);
  color: var(--ms-ink);
  box-shadow: 0 4px 16px rgba(6, 198, 236, 0.3);
}

.ms-hp-cta-bar .ms-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6, 198, 236, 0.4);
}

/* ── FAQ: card-style accordion ── */
.ms-hp-faq {
  padding: var(--ms-sp-16) 0 var(--ms-sp-12);
}

.ms-hp-faq .ms-accordion {
  max-width: 720px;
}

.ms-hp-faq .ms-acc-trigger {
  border-radius: 12px;
  padding: var(--ms-sp-4) var(--ms-sp-6);
  font-size: var(--ms-text-base);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.ms-hp-faq .ms-acc-trigger:hover {
  background: #f5fbff;
  border-color: var(--ms-primary);
}

.ms-hp-faq .ms-acc-trigger.ms-open {
  background: #f0faff;
  border-color: var(--ms-primary);
}

.ms-hp-faq .ms-acc-panel {
  padding: var(--ms-sp-2) var(--ms-sp-6) var(--ms-sp-4);
  font-size: var(--ms-text-base);
  line-height: 1.7;
}

/* ── Empty state for no articles ── */
.ms-hp-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  padding: var(--ms-sp-8);
  border-radius: 16px;
  background: var(--ms-surface);
  border: 1px dashed var(--ms-line);
  text-align: center;
}

.ms-hp-empty-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ms-coral);
  box-shadow: 0 0 0 10px rgba(215, 45, 77, 0.1);
  margin-bottom: var(--ms-sp-4);
}

.ms-hp-empty h3 {
  margin: 0 0 var(--ms-sp-2);
  font-size: var(--ms-text-md);
}

.ms-hp-empty p {
  margin: 0;
  color: var(--ms-muted);
  font-size: var(--ms-text-sm);
  max-width: 480px;
}

/* ── Homepage responsive ── */
@media (max-width: 768px) {
  .ms-hp-hero {
    padding: var(--ms-sp-8) 0 var(--ms-sp-6);
  }

  .ms-hp-phone {
    position: relative;
    right: auto;
    top: auto;
    transform: none;
    width: 100%;
    opacity: 1;
    margin-top: var(--ms-sp-4);
  }

  .ms-hp-masonry {
    grid-template-columns: repeat(2, 1fr);
  }

  .ms-hp-masonry .ms-hp-card:nth-child(1),
  .ms-hp-masonry .ms-hp-card:nth-child(4) {
    grid-row: span 1;
  }

  .ms-hp-masonry .ms-hp-card:nth-child(1) img,
  .ms-hp-masonry .ms-hp-card:nth-child(4) img {
    aspect-ratio: 16 / 10;
    min-height: auto;
  }

  .ms-hp-dark-panel {
    padding: var(--ms-sp-6);
  }

  .ms-hp-tool-grid {
    grid-template-columns: 1fr;
  }

  .ms-hp-author {
    flex-direction: column;
    text-align: center;
    max-width: 100%;
  }

  .ms-hp-cta-bar {
    flex-direction: column;
    text-align: center;
    padding: var(--ms-sp-6);
  }

  .ms-hp-section {
    padding: var(--ms-sp-10) 0 var(--ms-sp-8);
  }

  .ms-hp-tabs-section {
    padding: var(--ms-sp-10) 0 var(--ms-sp-8);
  }

  .ms-hp-faq {
    padding: var(--ms-sp-10) 0 var(--ms-sp-8);
  }
}

@media (max-width: 540px) {
  .ms-hp-masonry {
    grid-template-columns: 1fr;
  }

  .ms-hp-tool-panel {
    padding: var(--ms-sp-6);
  }

  .ms-hp-tabs-wrap {
    padding: var(--ms-sp-4);
  }

  .ms-hp-tabs-bar {
    flex-wrap: wrap;
  }

  .ms-hp-tab-btn {
    flex: 0 0 auto;
  }

  .ms-hp-badges {
    gap: var(--ms-sp-2);
  }

  .ms-hp-badge {
    font-size: var(--ms-text-xs);
    padding: var(--ms-sp-1) var(--ms-sp-3);
  }
}

/* ══════════════════════════════════════════════════════
   FLUID / LIQUID MOTION LAYER
   ══════════════════════════════════════════════════════ */

/* ── Wave text character spans ── */
.ms-char {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.45s ease, transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: opacity, transform;
}

.ms-char.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Blob background container ── */
.ms-blob-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

/* ── Individual blob ── */
.ms-blob {
  position: absolute;
  border-radius: 50% 30% 70% 40% / 60% 40% 30% 70%;
  opacity: 0.06;
  filter: blur(60px);
  will-change: border-radius;
  animation: ms-blob-morph 12s ease-in-out infinite alternate;
}

.ms-blob-1 {
  background: var(--ms-primary);
}

.ms-blob-2 {
  background: var(--ms-primary);
  opacity: 0.05;
  animation-direction: alternate-reverse;
}

.ms-blob-3 {
  background: var(--ms-plum);
  opacity: 0.04;
}

@keyframes ms-blob-morph {
  0%   { border-radius: 50% 30% 70% 40% / 60% 40% 30% 70%; }
  25%  { border-radius: 40% 60% 30% 70% / 50% 60% 40% 50%; }
  50%  { border-radius: 60% 40% 50% 30% / 40% 50% 60% 40%; }
  75%  { border-radius: 30% 70% 40% 60% / 70% 30% 50% 60%; }
  100% { border-radius: 50% 30% 70% 40% / 60% 40% 30% 70%; }
}

/* ── Floating animation ── */
.ms-float {
  animation: ms-float 4s ease-in-out infinite;
}

@keyframes ms-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

/* ── Ripple click effect ── */
.ms-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(6, 198, 236, 0.28);
  transform: scale(0);
  opacity: 0.5;
  pointer-events: none;
  animation: ms-ripple-expand 0.55s ease-out forwards;
}

@keyframes ms-ripple-expand {
  0%   { transform: scale(0); opacity: 0.5; }
  100% { transform: scale(2); opacity: 0; }
}

/* ── Elastic card hover ── */
.ms-elastic-card {
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.35s ease;
}

.ms-elastic-card:hover {
  transform: scale(1.025) translateY(-3px);
  box-shadow: 0 22px 48px rgba(6, 198, 236, 0.10), var(--ms-shadow);
}

/* ── Wave section divider ── */
.ms-wave-divider {
  width: 100%;
  line-height: 0;
  overflow: hidden;
  pointer-events: none;
}

.ms-wave-divider svg {
  display: block;
  width: 100%;
  height: 48px;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(6, 198, 236, 0.3);
  border-radius: 99px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(6, 198, 236, 0.5);
}

/* Firefox scrollbar */
html {
  scrollbar-width: thin;
  scrollbar-color: rgba(6, 198, 236, 0.3) transparent;
}

/* ── Selection highlight ── */
::selection {
  background: rgba(6, 198, 236, 0.25);
  color: var(--ms-ink);
}

/* ── Reduced motion override for new animations ── */
@media (prefers-reduced-motion: reduce) {
  .ms-char {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .ms-blob {
    animation: none;
  }

  .ms-float {
    animation: none;
  }

  .ms-elastic-card {
    transition: none;
  }

  .ms-elastic-card:hover {
    transform: none;
  }

  .ms-ripple {
    animation: none;
    display: none;
  }
}