/* =========================================================
   Softseco / eUSD — Global Stylesheet
   Coinbase-inspired professional finance design
   Brand color: #1315ff
   ========================================================= */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', 'Söhne', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: #0a0b0d;
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'ss01', 'cv11';
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

/* ---------- Design Tokens ---------- */
:root {
  --brand:        #1315ff;
  --brand-deep:   #0d0fcc;
  --brand-soft:   #e9eaff;
  --brand-glow:   rgba(19, 21, 255, 0.15);

  --ink:          #0a0b0d;
  --ink-2:        #1a1d22;
  --ink-3:        #4a4f5a;
  --muted:        #6b7280;
  --line:         #e8eaed;
  --line-soft:    #f1f2f5;
  --bg:           #ffffff;
  --bg-soft:      #f7f8fa;
  --bg-dark:      #0a0b0d;
  --bg-deep:      #050507;

  --success:      #00a86b;
  --warning:      #f59e0b;
  --danger:       #ef4444;

  --radius-sm:    8px;
  --radius:       12px;
  --radius-lg:    20px;
  --radius-xl:    28px;

  --shadow-sm:    0 1px 2px rgba(10,11,13,.04), 0 1px 3px rgba(10,11,13,.06);
  --shadow:       0 4px 12px rgba(10,11,13,.06), 0 2px 4px rgba(10,11,13,.04);
  --shadow-lg:    0 24px 48px -12px rgba(10,11,13,.18);
  --shadow-glow:  0 12px 40px var(--brand-glow);

  --t-fast:       .2s cubic-bezier(.4, 0, .2, 1);
  --t-base:       .35s cubic-bezier(.4, 0, .2, 1);
  --t-slow:       .6s cubic-bezier(.4, 0, .2, 1);
  --t-bounce:     .5s cubic-bezier(.34, 1.56, .64, 1);

  --container:    1200px;
  --container-sm: 960px;
  --container-xs: 720px;

  --header-h:     72px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', 'Söhne', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.1;
  color: var(--ink);
}
h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); letter-spacing: -.035em; font-weight: 800; }
h2 { font-size: clamp(2rem, 4.2vw, 3.25rem); letter-spacing: -.028em; }
h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
h4 { font-size: 1.25rem; font-weight: 600; }
h5 { font-size: 1rem; font-weight: 600; letter-spacing: 0; }
p  { color: var(--ink-3); font-size: 1.0625rem; }
.lead { font-size: clamp(1.125rem, 1.6vw, 1.375rem); color: var(--ink-3); line-height: 1.5; font-weight: 400; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .8125rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .14em;
  color: var(--brand);
  background: var(--brand-soft);
  padding: .4rem .8rem; border-radius: 100px;
}
.eyebrow.dark { background: rgba(255,255,255,.08); color: #c5c7ff; }
.mono { font-family: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: -.01em; }
.gradient-text {
  background: linear-gradient(135deg, var(--brand) 0%, #6366f1 50%, var(--brand) 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 6s ease-in-out infinite;
}
@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

/* ---------- Layout helpers ---------- */
.container    { width: 100%; max-width: var(--container);    margin: 0 auto; padding: 0 24px; }
.container-sm { width: 100%; max-width: var(--container-sm); margin: 0 auto; padding: 0 24px; }
.container-xs { width: 100%; max-width: var(--container-xs); margin: 0 auto; padding: 0 24px; }
.section { padding: clamp(64px, 9vw, 120px) 0; position: relative; }
.section.tight { padding: clamp(48px, 6vw, 80px) 0; }
.section.dark  { background: var(--bg-dark); color: #e6e8ec; }
.section.dark h1, .section.dark h2, .section.dark h3, .section.dark h4 { color: #fff; }
.section.dark p { color: #aab0bd; }
.section.soft  { background: var(--bg-soft); }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.flex { display: flex; gap: 16px; align-items: center; }
.flex-col { flex-direction: column; align-items: flex-start; }
.text-center { text-align: center; }
.section-head { max-width: 760px; margin: 0 auto 64px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.section-head .eyebrow { margin-bottom: 16px; }
.section-head h2 + p { margin-top: 18px; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; } .mt-5 { margin-top: 48px; } .mt-6 { margin-top: 64px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 24px;
  font-size: .95rem; font-weight: 600;
  border-radius: 100px;
  white-space: nowrap;
  transition: all var(--t-fast);
  position: relative; overflow: hidden;
  letter-spacing: -.005em;
}
.btn-primary {
  background: var(--brand); color: #fff;
  box-shadow: 0 1px 2px rgba(19,21,255,.2), 0 0 0 1px rgba(19,21,255,.18);
}
.btn-primary:hover { background: var(--brand-deep); transform: translateY(-1px); box-shadow: 0 12px 24px -6px var(--brand-glow); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost  {
  background: transparent; color: var(--ink);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--ink); background: rgba(10,11,13,.04); }
.btn-dark   { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--ink-2); transform: translateY(-1px); }
.btn-light  { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn-on-dark{ background: #fff; color: var(--ink); }
.btn-on-dark:hover { background: rgba(255,255,255,.92); }
.btn-lg { padding: 18px 32px; font-size: 1.0625rem; }
.btn-sm { padding: 10px 18px; font-size: .875rem; }
.btn-link { color: var(--brand); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.btn-link svg { transition: transform var(--t-fast); }
.btn-link:hover svg { transform: translateX(4px); }

/* ---------- Header / Nav ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: rgba(255,255,255,.78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.header.scrolled {
  background: rgba(255,255,255,.92);
  border-bottom-color: var(--line);
}
.header-inner {
  height: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.0625rem; letter-spacing: -.02em;
  color: var(--ink);
}
.brand-mark {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--brand);
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: .8125rem;
  position: relative;
  box-shadow: 0 4px 12px var(--brand-glow);
}
.brand-mark::after {
  content:''; position:absolute; inset:0; border-radius:inherit;
  background: linear-gradient(135deg, rgba(255,255,255,.25), transparent 45%);
}
.nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 14px;
  font-size: .9375rem; font-weight: 500;
  color: var(--ink-2);
  border-radius: 8px;
  transition: background var(--t-fast), color var(--t-fast);
}
.nav-link:hover, .nav-link.active { color: var(--brand); background: var(--brand-soft); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.menu-btn {
  display: none;
  width: 40px; height: 40px;
  border-radius: 10px;
  align-items: center; justify-content: center;
}
.menu-btn span { width: 18px; height: 2px; background: var(--ink); position: relative; }
.menu-btn span::before, .menu-btn span::after {
  content:''; position:absolute; left:0; width:18px; height:2px; background: var(--ink);
  transition: transform var(--t-fast), top var(--t-fast);
}
.menu-btn span::before { top: -6px; }
.menu-btn span::after  { top: 6px; }
.menu-btn.open span { background: transparent; }
.menu-btn.open span::before { top: 0; transform: rotate(45deg); }
.menu-btn.open span::after  { top: 0; transform: rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: var(--header-h) 0 0 0;
  background: #fff;
  z-index: 95;
  padding: 32px 24px 48px;
  transform: translateY(-12px);
  opacity: 0; pointer-events: none;
  transition: opacity var(--t-base), transform var(--t-base);
  overflow-y: auto;
}
.mobile-menu.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.mobile-menu nav.flex.flex-col { width: 100%; align-items: stretch; }
.mobile-menu .nav-link { padding: 16px 0; font-size: 1.25rem; border-bottom: 1px solid var(--line-soft); border-radius: 0; width: 100%; display: flex; align-items: center; justify-content: space-between; }
.mobile-menu .nav-link::after { content:'›'; color: var(--ink-3); font-weight: 400; font-size: 1.25rem; }
.mobile-menu .nav-cta { margin-top: 32px; flex-direction: column; align-items: stretch; }
.mobile-menu .btn { width: 100%; }
@media (max-width: 980px) {
  .nav, .nav-cta:not(.mobile-menu .nav-cta) { display: none; }
  .menu-btn { display: inline-flex; }
}
.spacer { height: var(--header-h); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(80px, 12vw, 160px) 0 clamp(64px, 8vw, 120px);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 800px 600px at 80% 20%, rgba(19,21,255,.06), transparent 60%),
    radial-gradient(ellipse 600px 500px at 10% 70%, rgba(99,102,241,.05), transparent 60%),
    linear-gradient(180deg, #fbfbfd 0%, #ffffff 100%);
}
.hero-bg.dark {
  background:
    radial-gradient(ellipse 1000px 700px at 70% 30%, rgba(19,21,255,.22), transparent 60%),
    radial-gradient(ellipse 700px 500px at 10% 80%, rgba(99,102,241,.18), transparent 60%),
    linear-gradient(180deg, #050507 0%, #0a0b0d 100%);
}
.hero-grid {
  position: absolute; inset: 0; z-index: -1; opacity: .35;
  background-image:
    linear-gradient(rgba(19,21,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19,21,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.hero-content {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 920px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
}
.hero h1 { margin-top: 24px; }
.hero p.lead { margin-top: 24px; max-width: 560px; }
.hero-cta { margin-top: 40px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-trust {
  margin-top: 56px;
  display: flex; flex-direction: column; gap: 12px;
}
.hero-trust-label { font-size: .8125rem; color: var(--muted); text-transform: uppercase; letter-spacing: .14em; font-weight: 600; }
.hero-trust-row { display: flex; gap: 28px; flex-wrap: wrap; align-items: center; opacity: .7; }
.hero-trust-row span { font-weight: 600; font-size: .9375rem; color: var(--ink-2); }

/* ---------- Hero Coin / Visual ---------- */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  display: grid; place-items: center;
  perspective: 1200px;
}
.coin {
  width: min(420px, 80%);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  position: relative;
  background:
    radial-gradient(circle at 30% 30%, #fff 0%, #e6e8ff 35%, #1315ff 70%, #0a0bcc 100%);
  box-shadow:
    inset 0 0 60px rgba(255,255,255,.4),
    inset -20px -20px 80px rgba(0,0,0,.25),
    0 50px 100px -20px rgba(19,21,255,.4),
    0 30px 60px -30px rgba(0,0,0,.3);
  animation: float 6s ease-in-out infinite;
  transform-style: preserve-3d;
}
.coin::before {
  content:''; position: absolute; inset: 14%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 40% 40%, rgba(255,255,255,.5), transparent 50%),
    linear-gradient(135deg, #1315ff 0%, #5b5dff 100%);
  box-shadow:
    inset 0 0 40px rgba(255,255,255,.25),
    inset 0 0 80px rgba(0,0,0,.2);
  display: grid; place-items: center;
}
.coin::after {
  content:'eUSD';
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: 'Inter', sans-serif;
  font-weight: 800; font-size: clamp(2.2rem, 4.6vw, 3.2rem);
  letter-spacing: -.04em;
  color: #fff;
  text-shadow: 0 4px 16px rgba(0,0,0,.3), 0 0 30px rgba(255,255,255,.4);
  z-index: 2;
}
.coin-ring {
  position: absolute; inset: -12%;
  border-radius: 50%;
  border: 1px dashed rgba(19,21,255,.3);
  animation: spin 30s linear infinite;
}
.coin-ring.r2 { inset: -24%; border-color: rgba(19,21,255,.15); animation-duration: 50s; animation-direction: reverse; }
.coin-orbit {
  position: absolute; inset: -8%; pointer-events: none;
  animation: spin 24s linear infinite;
}
.coin-orbit span {
  position: absolute; width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow);
  font-size: 1rem; font-weight: 700; color: var(--brand);
  top: 50%; left: 100%; transform: translate(-50%, -50%);
}
.coin-orbit span:nth-child(1) { transform: rotate(0deg) translateX(0) translateY(-50%); top: 0%; left: 50%; }
.coin-orbit span:nth-child(2) { top: 50%; left: 100%; transform: translate(-50%, -50%); }
.coin-orbit span:nth-child(3) { top: 100%; left: 50%; transform: translate(-50%, -50%); }
.coin-orbit span:nth-child(4) { top: 50%; left: 0%; transform: translate(-50%, -50%); }
@keyframes float {
  0%, 100% { transform: translateY(0) rotateY(0deg); }
  50% { transform: translateY(-18px) rotateY(8deg); }
}
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* ---------- Stats Bar ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}
.stat {
  background: #fff;
  padding: 32px 24px;
  text-align: center;
}
.stat-val {
  font-size: clamp(2rem, 3.4vw, 2.75rem);
  font-weight: 800; letter-spacing: -.03em;
  color: var(--ink);
  font-feature-settings: 'tnum';
}
.stat-val.brand { color: var(--brand); }
.stat-label { color: var(--muted); font-size: .875rem; margin-top: 6px; font-weight: 500; }
.section.dark .stats-bar { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.1); }
.section.dark .stat { background: #0e1014; }
.section.dark .stat-val { color: #fff; }
.section.dark .stat-label { color: #8a92a4; }

/* ---------- Cards / Features ---------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(19,21,255,.3);
  box-shadow: var(--shadow-lg);
}
.card-icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  background: var(--brand-soft);
  color: var(--brand);
  border-radius: var(--radius);
  margin-bottom: 20px;
}
.card h3 { font-size: 1.375rem; margin-bottom: 10px; }
.card.dark { background: #11131a; border-color: rgba(255,255,255,.08); color: #fff; }
.card.dark h3, .card.dark h4 { color: #fff; }
.card.dark p { color: #aab0bd; }
.card.dark .card-icon { background: rgba(19,21,255,.18); color: #a5a7ff; }
.card.feature::before {
  content:''; position: absolute; inset: 0;
  background: radial-gradient(circle at 100% 0%, var(--brand-glow), transparent 60%);
  opacity: 0; transition: opacity var(--t-base);
  pointer-events: none;
}
.card.feature:hover::before { opacity: 1; }

/* ---------- Big feature row (split) ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 920px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.split.reverse > :first-child { order: 2; }
@media (max-width: 920px) { .split.reverse > :first-child { order: 0; } }
.split-visual {
  background: linear-gradient(135deg, var(--brand-soft), #ffffff);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  aspect-ratio: 4/3;
  position: relative;
  overflow: hidden;
  display: grid; place-items: center;
}
.section.dark .split-visual {
  background: linear-gradient(135deg, rgba(19,21,255,.18), rgba(10,11,13,.7));
  border-color: rgba(255,255,255,.08);
}

/* ---------- CTA section ---------- */
.cta {
  background: linear-gradient(135deg, var(--brand) 0%, #2c2eff 50%, #4b4dff 100%);
  border-radius: var(--radius-xl);
  padding: clamp(48px, 6vw, 80px);
  color: #fff;
  text-align: center;
  position: relative; overflow: hidden;
}
.cta::before {
  content:''; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.12), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(255,255,255,.08), transparent 40%);
  pointer-events: none;
}
.cta h2 { color: #fff; max-width: 700px; margin: 0 auto; }
.cta p { color: rgba(255,255,255,.85); max-width: 600px; margin: 18px auto 0; }
.cta-row { display: flex; gap: 12px; justify-content: center; margin-top: 40px; flex-wrap: wrap; position: relative; }

/* ---------- Footer ---------- */
.footer {
  background: #050507;
  color: #aab0bd;
  padding: 80px 0 32px;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer .container { max-width: var(--container); }
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}
@media (max-width: 920px) { .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; } }
@media (max-width: 540px) { .footer-top { grid-template-columns: 1fr; } }
.footer h5 { color: #fff; margin-bottom: 18px; font-size: .9375rem; letter-spacing: -.005em; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col a { color: #aab0bd; font-size: .9375rem; }
.footer-col a:hover { color: #fff; }
.footer-brand p { color: #6b7280; font-size: .9375rem; max-width: 320px; margin-top: 16px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 24px;
  padding-top: 32px; border-top: 1px solid rgba(255,255,255,.06);
  font-size: .8125rem; color: #6b7280;
}
.social { display: flex; gap: 8px; }
.social a {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: rgba(255,255,255,.04);
  color: #aab0bd;
  transition: all var(--t-fast);
}
.social a:hover { background: var(--brand); color: #fff; transform: translateY(-2px); }
.footer-legal { display: flex; gap: 20px; flex-wrap: wrap; }

/* ---------- Page hero variant (sub pages) ---------- */
.page-hero {
  padding: clamp(120px, 14vw, 180px) 0 clamp(48px, 6vw, 80px);
  background: linear-gradient(180deg, #fbfbfd 0%, #fff 100%);
  border-bottom: 1px solid var(--line-soft);
  position: relative;
  overflow: hidden;
}
.page-hero h1 { max-width: 920px; }
.page-hero p.lead { max-width: 640px; margin-top: 20px; }
.page-hero .eyebrow { margin-bottom: 20px; }
.page-hero.dark { background: linear-gradient(180deg, #050507 0%, #0a0b0d 100%); color: #fff; border-bottom: none; }
.page-hero.dark h1 { color: #fff; }
.page-hero.dark p { color: #aab0bd; }
.page-hero::before {
  content:''; position: absolute; right: -10%; top: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--brand-glow), transparent 60%);
  pointer-events: none; z-index: 0;
}
.page-hero > .container { position: relative; z-index: 1; }

/* ---------- Lists / Bullets ---------- */
.check-list li {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 10px 0;
  color: var(--ink-2);
}
.check-list li::before {
  content:''; flex-shrink: 0;
  width: 22px; height: 22px;
  margin-top: 1px;
  border-radius: 50%;
  background: var(--brand-soft) url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M5 12l4.5 4.5L19 7' fill='none' stroke='%231315ff' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat;
}
.section.dark .check-list li { color: #e6e8ec; }
.section.dark .check-list li::before { background-color: rgba(19,21,255,.25); }

/* ---------- Logo strip ---------- */
.logo-strip {
  display: flex; gap: 48px; align-items: center; justify-content: center; flex-wrap: wrap;
  padding: 24px 0; opacity: .55;
}
.logo-strip span { font-weight: 700; font-size: 1.0625rem; letter-spacing: -.01em; color: var(--ink-2); }
.section.dark .logo-strip span { color: #aab0bd; }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 4px; padding: 4px; background: var(--bg-soft); border-radius: 100px; margin-bottom: 32px; max-width: max-content; }
.tab { padding: 10px 18px; font-weight: 500; border-radius: 100px; color: var(--ink-3); transition: all var(--t-fast); }
.tab.active { background: #fff; color: var(--ink); box-shadow: var(--shadow-sm); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn .4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- Code block ---------- */
.code-block {
  background: #0a0b0d; color: #e6e8ec;
  border-radius: var(--radius);
  padding: 24px;
  font-family: 'JetBrains Mono', ui-monospace, Consolas, monospace;
  font-size: .875rem; line-height: 1.65;
  overflow-x: auto;
  border: 1px solid rgba(255,255,255,.08);
}
.code-block .c-key { color: #a5a7ff; }
.code-block .c-str { color: #7dd3a7; }
.code-block .c-num { color: #f5b67e; }
.code-block .c-com { color: #6b7280; }
.code-block .c-fn { color: #ffd479; }

/* ---------- FAQ accordion ---------- */
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
}
.faq-q {
  display: flex; justify-content: space-between; align-items: center;
  width: 100%; text-align: left;
  font-weight: 600; font-size: 1.125rem; color: var(--ink);
  padding: 0;
}
.faq-q::after {
  content:'+'; font-size: 1.5rem; font-weight: 300;
  color: var(--brand);
  transition: transform var(--t-base);
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height var(--t-base), padding var(--t-base); }
.faq-a-inner { padding-top: 16px; color: var(--ink-3); }
.faq-item.open .faq-a { max-height: 500px; }

/* ---------- Tables ---------- */
table.tbl {
  width: 100%; border-collapse: collapse;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
}
table.tbl th, table.tbl td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--line); font-size: .9375rem; }
table.tbl th { background: var(--bg-soft); font-weight: 600; color: var(--ink); font-size: .875rem; text-transform: uppercase; letter-spacing: .04em; }
table.tbl tr:last-child td { border-bottom: none; }
table.tbl .pill { display: inline-flex; padding: 4px 10px; border-radius: 100px; font-size: .75rem; font-weight: 600; }
.pill.green { background: rgba(0,168,107,.1); color: var(--success); }
.pill.amber { background: rgba(245,158,11,.1); color: var(--warning); }
.pill.gray  { background: var(--line-soft); color: var(--ink-3); }
.pill.brand { background: var(--brand-soft); color: var(--brand); }

/* ---------- Form ---------- */
.form { display: grid; gap: 16px; max-width: 520px; }
.form-row { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
@media (max-width: 540px) { .form-row { grid-template-columns: 1fr; } }
.form label { font-weight: 500; font-size: .875rem; color: var(--ink-2); display: block; margin-bottom: 6px; }
.form input, .form textarea, .form select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: inherit; font-size: 1rem;
  background: #fff; color: var(--ink);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: none; border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(19,21,255,.1);
}
.form textarea { min-height: 140px; resize: vertical; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }

/* ---------- Marquee ---------- */
.marquee { overflow: hidden; padding: 16px 0; -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 56px; width: max-content; animation: track 40s linear infinite; }
.marquee-track span { font-weight: 600; color: var(--muted); white-space: nowrap; font-size: 1.0625rem; }
@keyframes track { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Misc / utilities ---------- */
.divider { height: 1px; background: var(--line); margin: 24px 0; }
.section.dark .divider { background: rgba(255,255,255,.08); }
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 100px;
  background: var(--bg-soft); color: var(--ink-2);
  font-size: .8125rem; font-weight: 500;
  border: 1px solid var(--line);
}
.section.dark .tag { background: rgba(255,255,255,.06); color: #c5c7ff; border-color: rgba(255,255,255,.1); }
.section.dark a:not(.btn):not(.nav-link) { color: #c5c7ff; }
.section.dark a:not(.btn):not(.nav-link):hover { color: #fff; }

/* ---------- Print ---------- */
@media print {
  .header, .footer, .menu-btn, .cta { display: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* =========================================================
   MOBILE RESPONSIVENESS — Polished phone & tablet layer
   ========================================================= */

/* ---------- Tablets (≤ 980px) ---------- */
@media (max-width: 980px) {
  :root { --header-h: 64px; }
  .header-inner { padding: 0 20px; gap: 12px; }
  .brand { font-size: 1rem; }
  .brand-mark { width: 26px; height: 26px; font-size: .75rem; }
  .menu-btn { width: 40px; height: 40px; }
}

/* ---------- Phones, landscape & small tablets (≤ 768px) ---------- */
@media (max-width: 768px) {
  body { font-size: 15px; }
  .container, .container-sm, .container-xs { padding: 0 20px; }
  .section { padding: clamp(56px, 9vw, 80px) 0; }
  .section.tight { padding: clamp(32px, 6vw, 56px) 0; }
  .section-head { margin-bottom: 40px; }

  /* Header */
  .header-inner { padding: 0 16px; }

  /* Hero — stack everything vertically */
  .hero { padding: clamp(96px, 18vw, 130px) 0 56px; }
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { margin-top: 16px; }
  .hero p.lead { margin-top: 18px; }
  .hero-cta { margin-top: 28px; gap: 10px; }
  .hero-cta .btn { flex: 1 1 auto; min-width: 200px; }
  .hero-trust { margin-top: 36px; }
  .hero-trust-row { gap: 10px 14px; font-size: .8125rem; }

  /* Hero visual / coin — cap size, center */
  .hero-visual { max-width: 320px; margin: 0 auto; width: 100%; }
  .coin-orbit span { width: 28px; height: 28px; font-size: .875rem; }

  /* Stats — 2 columns instead of 5 squashed */
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 24px 16px; }
  .stat-val { font-size: 1.75rem; }

  /* Cards */
  .card { padding: 24px; }
  .card h3 { font-size: 1.25rem; }
  .card-icon { width: 42px; height: 42px; margin-bottom: 16px; }

  /* Split — collapsing already at 920 but tighten gap */
  .split { gap: 32px; }
  .split-visual { aspect-ratio: 5/4; }

  /* Section heads */
  .section-head h2 { font-size: 1.875rem; }

  /* CTA */
  .cta { padding: 40px 24px; border-radius: 20px; }
  .cta h2 { font-size: 1.875rem; }
  .cta-row { flex-direction: column; align-items: stretch; gap: 10px; margin-top: 28px; }
  .cta-row .btn { width: 100%; }

  /* Page hero */
  .page-hero { padding: clamp(100px, 16vw, 130px) 0 40px; }
  .page-hero::before { width: 360px; height: 360px; }

  /* Footer */
  .footer { padding: 56px 0 24px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; margin-bottom: 40px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 16px; padding-top: 24px; }

  /* Tables — scroll horizontally if needed */
  table.tbl { font-size: .8125rem; min-width: 500px; }
  table.tbl th, table.tbl td { padding: 12px 14px; }
  /* wrap tables in scroll containers automatically */
  .section table.tbl { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }

  /* Code block */
  .code-block { font-size: .8125rem; padding: 18px; line-height: 1.5; }

  /* Forms */
  .form-row { grid-template-columns: 1fr; }
  .form input, .form textarea, .form select { font-size: 16px; /* prevent iOS zoom on focus */ }

  /* Trade swap */
  .swap { padding: 22px; }
  .swap-row { padding: 16px; gap: 12px; }
  .swap-amount { font-size: 1.5rem; }
  .swap-token { padding: 8px 12px; font-size: .875rem; }
  .swap-token .dot { width: 20px; height: 20px; }

  /* Cookie rows stack the toggle below text */
  .cookie-row { flex-direction: column; align-items: flex-start; gap: 12px; }

  /* Logo strip */
  .logo-strip { gap: 28px; padding: 16px 0; }
  .logo-strip span { font-size: .9375rem; }

  /* FAQ */
  .faq-q { font-size: 1rem; padding-right: 24px; }
  .faq-item { padding: 20px 0; }

  /* Buttons */
  .btn-lg { padding: 15px 24px; font-size: 1rem; }

  /* Mobile menu nav-link tighten */
  .mobile-menu { padding: 24px 20px 40px; }
  .mobile-menu .nav-link { padding: 14px 0; font-size: 1.125rem; }
}

/* ---------- Small phones (≤ 480px) ---------- */
@media (max-width: 480px) {
  .container, .container-sm, .container-xs { padding: 0 16px; }
  .header-inner { padding: 0 14px; }

  /* Footer to single column */
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand { grid-column: auto; }

  /* Stats: cleaner 2 columns with proportional sizing */
  .stat { padding: 20px 12px; }
  .stat-val { font-size: 1.5rem; letter-spacing: -.025em; }
  .stat-label { font-size: .75rem; }

  /* Hero CTA back to stacked full-width */
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; min-width: 0; }

  /* Hero visual smaller */
  .hero-visual { max-width: 260px; }
  .coin-orbit { inset: -4%; }
  .coin-orbit span { width: 24px; height: 24px; font-size: .75rem; }
  .coin-ring.r2 { inset: -16%; }
  .coin-ring { inset: -8%; }

  /* Card */
  .card { padding: 20px; border-radius: 16px; }

  /* CTA */
  .cta { padding: 32px 20px; }
  .cta h2 { font-size: 1.625rem; }
  .cta p { font-size: .9375rem; }

  /* Eyebrow */
  .eyebrow { font-size: .6875rem; padding: .35rem .7rem; letter-spacing: .12em; }

  /* h1 / h2 tuning */
  h1 { font-size: 2.25rem; letter-spacing: -.03em; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.25rem; }
  .lead { font-size: 1.0625rem; }

  /* Page hero radial smaller */
  .page-hero::before { width: 280px; height: 280px; }

  /* Swap interface */
  .swap { padding: 18px; border-radius: 20px; }
  .swap-amount { font-size: 1.375rem; }
  .swap-row { padding: 14px; }
  .swap-info { font-size: .8125rem; padding: 10px 2px; }

  /* Tabs */
  .tabs { font-size: .8125rem; }
  .tab { padding: 8px 14px; }

  /* Forms */
  .form input, .form textarea, .form select { padding: 11px 12px; }

  /* Logo strip wrap better */
  .logo-strip { gap: 20px; }
  .logo-strip span { font-size: .875rem; }

  /* Reduce hero floating animation amplitude on small screens */
  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
  }

  /* Cookie row toggle remains aligned */
  .cookie-row h4 { font-size: 1.0625rem; }

  /* Footer bottom */
  .footer-legal { gap: 16px; font-size: .8125rem; }
  .social a { width: 36px; height: 36px; }
}

/* ---------- Tiny phones (≤ 360px) — safety net ---------- */
@media (max-width: 360px) {
  h1 { font-size: 2rem; }
  .brand span:not(.brand-mark) { display: none; }  /* logo only */
  .stat-val { font-size: 1.375rem; }
  .stats-bar { grid-template-columns: 1fr 1fr; }
}

/* ---------- Touch & hover refinements ---------- */
@media (hover: none) and (pointer: coarse) {
  /* Disable card hover lift on touch — reduces jitter when scrolling */
  .card:hover { transform: none; box-shadow: var(--shadow-sm); border-color: var(--line); }
  .card.feature:hover::before { opacity: 0; }
  .btn-primary:hover { transform: none; }
  .btn-dark:hover { transform: none; }

  /* Larger tap targets */
  .nav-link, .footer-col a, .btn, .faq-q, .social a {
    min-height: 44px;
  }
  .nav-link { display: inline-flex; align-items: center; }
}

/* ---------- Landscape phones (short height) ---------- */
@media (max-height: 500px) and (orientation: landscape) {
  .hero { padding: 80px 0 48px; }
  .page-hero { padding: 88px 0 32px; }
  .mobile-menu { padding-top: 16px; padding-bottom: 24px; }
}

/* ---------- Safe-area insets (notch / home indicator) ---------- */
@supports (padding: env(safe-area-inset-bottom)) {
  .header-inner { padding-left: max(20px, env(safe-area-inset-left)); padding-right: max(20px, env(safe-area-inset-right)); }
  .footer { padding-bottom: max(24px, env(safe-area-inset-bottom)); }
  .mobile-menu { padding-bottom: max(40px, env(safe-area-inset-bottom)); }
}