/*
 * Nexzoneo Exchange - business.nexzoneo.com landing page
 * Styleguide-compliant (Nexzoneo Pay 2026)
 */

:root {
  /* Backgrounds */
  --bg: #07091A;
  --bg-elev: #111726;
  --bg-elev-2: #161D2E;

  /* Accents */
  --accent: #4F8CFF;
  --accent-2: #7C5CFF;
  --accent-3: #00D4FF;
  --accent-4: #FF5E9E;
  --accent-5: #2DD4BF;

  /* Status */
  --success: #2DD4BF;
  --warn: #F59E0B;
  --danger: #EF4444;

  /* Text */
  --text: #E8ECF3;
  --text-dim: #B8C2D8;
  --text-mute: #8C98B8;

  /* Borders */
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  /* Gradients */
  --grad-cta: linear-gradient(135deg, #4F8CFF 0%, #7C5CFF 100%);
  --grad-accent: linear-gradient(135deg, #00D4FF 0%, #7C5CFF 100%);
  --grad-headline: linear-gradient(80deg, #ffffff 0%, #b6c4e0 100%);

  /* Shape */
  --radius-card: 14px;
  --radius-large: 22px;
  --radius-pill: 999px;
  --container-max: 1200px;
  --container-pad: 24px;
  --nav-height: 72px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

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

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

.container-x {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ========================================
   Navbar (parity with card.nexzoneo.com and payment.nexzoneo.com)
   ======================================== */
.nx-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-height);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  background: rgba(10, 14, 26, 0.55);
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.nx-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}

.nx-nav__logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nx-nav__logo img {
  height: 32px;
  width: auto;
  display: block;
  flex-shrink: 0;
}

/* N icon: source PNG is black-on-white; invert + screen blend renders
   pure white on dark surfaces, hiding the white background. */
.nx-nav__logo img.nx-nav__logo-icon {
  height: 56px;
  width: 56px;
  object-fit: contain;
  filter: invert(1);
  mix-blend-mode: screen;
  padding: 4px 0;
}

.nx-nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nx-nav__link {
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nx-nav__link:hover { color: var(--text); }

.nx-nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.55rem 1.4rem;
  background: var(--grad-cta);
  color: #fff;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.nx-nav__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79, 140, 255, 0.35);
  color: #fff;
}

.nx-nav__toggle {
  display: none;
  background: none;
  border: 0;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 1rem;
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
}

.btn--primary {
  background: var(--grad-cta);
  color: #fff;
  box-shadow: 0 4px 20px rgba(79, 140, 255, 0.28);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124, 92, 255, 0.40);
  color: #fff;
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
}

/* ========================================
   Hero
   ======================================== */
.hero {
  position: relative;
  padding: 6rem var(--container-pad) 5rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(79, 140, 255, 0.14) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 60%, rgba(124, 92, 255, 0.08) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  text-align: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: rgba(79, 140, 255, 0.10);
  border: 1px solid rgba(79, 140, 255, 0.18);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.5rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero__title {
  font-size: clamp(2.4rem, 4.6vw, 4.6rem);
  font-weight: 800;
  line-height: 1.06;
  margin: 0 auto 1.5rem;
  color: var(--text);
  letter-spacing: -0.03em;
  max-width: 900px;
}

.hero__title span {
  background: var(--grad-headline);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
  background: rgba(17, 23, 38, 0.6);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: var(--radius-large);
  padding: 1.5rem 1rem;
}

.hero__stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--grad-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  letter-spacing: 0.05em;
}

.hero__stat-label {
  font-size: 0.85rem;
  color: var(--text-mute);
  margin-top: 0.25rem;
}

/* ========================================
   Sections
   ======================================== */
.section {
  padding: 7rem var(--container-pad);
  position: relative;
}

.section__inner { max-width: var(--container-max); margin: 0 auto; }

.section__header {
  text-align: center;
  margin-bottom: 4rem;
}

.section__eyebrow {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  background: rgba(79, 140, 255, 0.10);
  border: 1px solid rgba(79, 140, 255, 0.18);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}

.section__title {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text);
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.section__subtitle {
  font-size: 1rem;
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.55;
}

/* ========================================
   Features grid
   ======================================== */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.feature {
  background: rgba(17, 23, 38, 0.55);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 2rem 1.75rem;
  transition: all 0.3s ease;
}

.feature:hover {
  background: rgba(22, 29, 46, 0.85);
  border-color: rgba(79, 140, 255, 0.20);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.feature__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 13px;
  margin-bottom: 1.25rem;
}

.feature__icon svg { width: 24px; height: 24px; }

.feature__icon--blue    { background: rgba(79, 140, 255, 0.12);  color: var(--accent); }
.feature__icon--violet  { background: rgba(124, 92, 255, 0.12);  color: var(--accent-2); }
.feature__icon--cyan    { background: rgba(0, 212, 255, 0.12);   color: var(--accent-3); }
.feature__icon--teal    { background: rgba(45, 212, 191, 0.12);  color: var(--accent-5); }
.feature__icon--amber   { background: rgba(245, 158, 11, 0.12);  color: var(--warn); }
.feature__icon--rose    { background: rgba(255, 94, 158, 0.12);  color: var(--accent-4); }

.feature__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 0.6rem;
}

.feature__desc {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.55;
  margin: 0;
}

/* ========================================
   Ecosystem cards
   ======================================== */
.ecosystem {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.eco-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: rgba(17, 23, 38, 0.55);
  border: 1px solid var(--border);
  border-radius: var(--radius-large);
  padding: 2rem 1.75rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.eco-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-cta);
  opacity: 0.7;
}

.eco-card:hover {
  transform: translateY(-4px);
  border-color: rgba(79, 140, 255, 0.25);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.eco-card__name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text);
  margin: 0 0 0.5rem;
}

.eco-card__role {
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
  font-weight: 600;
}

.eco-card__desc {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.55;
  margin: 0 0 1.5rem;
}

.eco-card__link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  transition: color 0.2s, gap 0.2s;
}

.eco-card__link:hover {
  color: var(--accent-2);
  gap: 0.65rem;
}

/* ========================================
   Final CTA strip
   ======================================== */
.cta {
  padding: 6rem var(--container-pad);
  text-align: center;
  position: relative;
}

.cta__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 100%, rgba(79, 140, 255, 0.10) 0%, transparent 60%);
  pointer-events: none;
}

.cta__inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

.cta__title {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

.cta__desc {
  font-size: 1.05rem;
  color: var(--text-dim);
  margin: 0 0 2.5rem;
  line-height: 1.55;
}

.cta__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  padding: 3.5rem var(--container-pad) 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(7, 9, 26, 0.6);
}

.footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
}

.footer__brand-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.footer__brand-desc {
  color: var(--text-mute);
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer__heading {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0 0 1.25rem;
}

.footer__links { list-style: none; padding: 0; margin: 0; }
.footer__links li { margin-bottom: 0.6rem; }
.footer__links a {
  color: var(--text-mute);
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer__links a:hover { color: var(--accent); }

.footer__bottom {
  max-width: var(--container-max);
  margin: 3rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
  color: var(--text-mute);
  font-size: 0.85rem;
}

/* ========================================
   Reveal animations
   ======================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  .features { grid-template-columns: repeat(2, 1fr); }
  .ecosystem { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nx-nav__links { display: none; }
  .nx-nav__toggle { display: inline-flex; align-items: center; }
  .nx-nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(7, 9, 26, 0.95);
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
    padding: 1.25rem var(--container-pad);
    gap: 1rem;
    align-items: stretch;
  }
  .nx-nav__links.open .nx-nav__cta { justify-content: center; }
  .hero { padding: 4rem var(--container-pad) 3rem; }
  .features, .ecosystem { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 2rem; }
  .section { padding: 4.5rem var(--container-pad); }
  .hero__stats { grid-template-columns: 1fr 1fr; }
}