:root {
  --bg-main: #020617;
  --bg-card: #020712;
  --blue-main: #2563eb;
  --blue-soft: #38bdf8;
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --border-subtle: rgba(148, 163, 184, 0.35);
  --radius-lg: 0.9rem;
}

/* Reset & base */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at top, #0b1120 0%, #020617 55%, #020617 100%);
  color: var(--text-main);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Header / nav */

.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 40;
  padding-top: 1.1rem;
  background: linear-gradient(to bottom, rgba(2,6,23,0.95), rgba(2,6,23,0.75), transparent);
  backdrop-filter: blur(18px);
}

.nav-outer {
  max-width: 1100px;
  margin: 0 auto;
  padding-inline: 1.75rem;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: radial-gradient(circle at top left, rgba(15,23,42,0.95), rgba(15,23,42,0.98));
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.nav-brand-logo-wrap {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  overflow: hidden;
  background: #0f4fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-brand-logo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav-brand-text {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-main);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.nav-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text-main);
}

.nav-dashboard {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.05rem;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.4);
  background: radial-gradient(circle at top left, rgba(15,23,42,0.9), rgba(15,23,42,1));
  color: var(--text-main);
  font-size: 0.83rem;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.14s ease;
}

.nav-dashboard:hover {
  border-color: rgba(96,165,250,0.9);
  box-shadow: 0 12px 28px rgba(15,23,42,0.9);
  transform: translateY(-1px);
}

.nav-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #22c55e;
  box-shadow: 0 0 12px rgba(34,197,94,0.9);
}

/* Hero section */

.hero {
  position: relative;
  padding: 9rem 1.75rem 4.5rem;
  text-align: center;
  overflow: hidden;
}

.hero-wedge {
  position: absolute;
  top: 6.4rem;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  max-width: 1400px;
  height: 430px;
  background: linear-gradient(
    to bottom,
    #e5f0ff 0%,
    #dbeafe 10%,
    #38bdf8 45%,
    #4f46e5 70%,
    #020617 100%
  );
  clip-path: polygon(0 0, 100% 0, 100% 56%, 50% 100%, 0 56%);
  opacity: 0.95;
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 820px;
  margin: 5.2rem auto 0;
  z-index: 1;
}

.hero h1 {
  margin: 0 0 1.3rem;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(2.6rem, 3.4vw + 1rem, 3.8rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: #ffffff;
}

.hero-subtitle {
  margin: 0 auto 1.8rem;
  max-width: 640px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-main);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.8rem 1.6rem;
  border-radius: 999px;
  border: none;
  background: #ffffff;
  color: #020617;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.9);
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.hero-cta-icon {
  font-size: 0.86rem;
}

.hero-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 55px rgba(15, 23, 42, 1);
  background: #f9fafb;
}

/* Logo row */

.hero-logos {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 4rem auto 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.7rem;
  opacity: 0.9;
}

.hero-logos span {
  font-size: 0.85rem;
  color: rgba(148,163,184,0.8);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

/* Responsive */

@media (max-width: 900px) {
  .nav-outer {
    padding-inline: 1.2rem;
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding-inline: 1.2rem;
  }

  .hero-content {
    margin-top: 5rem;
  }
}

@media (max-width: 640px) {
  .hero-wedge {
    top: 7rem;
    height: 360px;
  }

  .hero-logos {
    gap: 1.6rem;
  }
}
/* =========================
   Section 2: About ZKVerse
   ========================= */

.about-section {
  position: relative;
  padding: 4.75rem 1.75rem 4.5rem;
  background: #050812;
}

.about-marquee {
  max-width: 1100px;
  margin: 0 auto 3.5rem;
  overflow: hidden;
  position: relative;
  padding-block: 1.4rem;
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 10%,
    black 90%,
    transparent 100%
  );
}

.about-marquee::before,
.about-marquee::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  pointer-events: none;
}

.about-marquee::before {
  left: 0;
  background: linear-gradient(to right, #050812, transparent);
}

.about-marquee::after {
  right: 0;
  background: linear-gradient(to left, #050812, transparent);
}

.about-marquee-inner {
  display: inline-flex;
  align-items: center;
  gap: 3.2rem;
  white-space: nowrap;
  animation: zkverse-marquee 28s linear infinite;
}

.about-marquee-item {
  font-size: 1rem;
  font-weight: 500;
  color: rgba(156, 163, 175, 0.9);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.9;
}

/* marquee animation */
@keyframes zkverse-marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.about-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.about-eyebrow {
  margin: 0 0 0.8rem;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #a5b4fc;
}

.about-title {
  margin: 0 0 1.2rem;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(2.1rem, 2.3vw + 1.1rem, 2.7rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #f9fafb;
}

.about-body {
  margin: 0 auto 2rem;
  max-width: 640px;
  font-size: 0.98rem;
  line-height: 1.8;
  color: #9ca3af;
}

.about-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.8rem 1.7rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: #ffffff;
  color: #020617;
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.95);
  transition: transform 0.15s ease, box-shadow 0.2s ease,
    background 0.2s ease, border-color 0.2s ease;
}

.about-cta-icon {
  font-size: 0.86rem;
}

.about-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 1);
  background: #f9fafb;
  border-color: rgba(148, 163, 184, 0.95);
}

@media (max-width: 900px) {
  .about-section {
    padding-inline: 1.25rem;
  }
}

@media (max-width: 640px) {
  .about-marquee-inner {
    gap: 2rem;
  }

  .about-section {
    padding-block: 4rem;
  }
}
/* =========================
   Section 3: Our Solutions
   ========================= */

.solutions-section {
  background: #050812;
  padding: 4.5rem 1.75rem 5rem;
}

.solutions-card {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: stretch;
  padding: 2.4rem 2.6rem;
  border-radius: 1.5rem;
  border: 1px solid rgba(30, 64, 175, 0.45);
  background: radial-gradient(circle at top left, #020617, #020617);
  box-shadow: 0 20px 55px rgba(15, 23, 42, 0.95);
}

/* scroll reveal */
.solutions-card.reveal-on-scroll {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.solutions-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* left media */

.solutions-media {
  display: flex;
  align-items: center;
  justify-content: center;
}

.solutions-media-inner {
  width: 100%;
  max-width: 460px;
  border-radius: 1.3rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: radial-gradient(circle at top, rgba(129, 140, 248, 0.18), #020617);
  overflow: hidden;
}

.solutions-media-inner img {
  display: block;
  width: 100%;
  height: auto;
  transform: scale(1.02);
}

/* right copy */

.solutions-copy {
  align-self: center;
  max-width: 480px;
}

.solutions-eyebrow {
  margin: 0 0 0.7rem;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #a5b4fc;
}

.solutions-title {
  margin: 0 0 1.1rem;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(2rem, 2.2vw + 1rem, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #f9fafb;
}

.solutions-body {
  margin: 0 0 1rem;
  font-size: 0.96rem;
  line-height: 1.8;
  color: #9ca3af;
}

/* CTA button */

.solutions-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1.3rem;
  padding: 0.85rem 1.7rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.85);
  background: #ffffff;
  color: #020617;
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.95);
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.22s ease,
    background 0.2s ease, border-color 0.2s ease;
}

.solutions-cta-icon {
  font-size: 0.86rem;
}

/* smooth hover */
.solutions-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left,
      rgba(59, 130, 246, 0.2),
      transparent 55%);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.solutions-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 55px rgba(15, 23, 42, 1);
  background: #f9fafb;
  border-color: rgba(148, 163, 184, 0.98);
}

.solutions-cta:hover::before {
  opacity: 1;
}

/* responsive */

@media (max-width: 980px) {
  .solutions-card {
    grid-template-columns: minmax(0, 1fr);
    padding: 2.1rem 1.9rem;
  }

  .solutions-media {
    order: -1;
  }

  .solutions-section {
    padding-inline: 1.25rem;
  }
}

@media (max-width: 640px) {
  .solutions-card {
    padding: 1.6rem 1.35rem 1.9rem;
  }

  .solutions-media-inner {
    max-width: 360px;
  }
}
/* =========================
   Section 4: Community / Developers (clean)
   ========================= */

.ecosystem-section {
  background: #050812;
  padding: 5rem 1.75rem 5.2rem;
}

.ecosystem-header {
  max-width: 780px;
  margin: 0 auto 3rem;
  text-align: center;
}

.ecosystem-eyebrow {
  margin: 0 0 0.7rem;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #a5b4fc;
}

.ecosystem-title {
  margin: 0 0 1rem;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(2.2rem, 2.5vw + 1.2rem, 2.9rem);
  letter-spacing: -0.02em;
  font-weight: 600;
  color: #f9fafb;
}

.ecosystem-subtitle {
  margin: 0 auto;
  max-width: 620px;
  font-size: 0.98rem;
  line-height: 1.8;
  color: #9ca3af;
}

/* cards grid */

.ecosystem-grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 2rem;
}

/* scroll reveal */

.ecosystem-header.reveal-on-scroll,
.ecosystem-grid.reveal-on-scroll {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.ecosystem-header.is-visible,
.ecosystem-grid.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* cards */

.eco-card {
  position: relative;
  border-radius: 1.5rem;
  border: 1px solid rgba(31, 41, 55, 0.9);
  background: #020617;
  padding: 2.1rem 2.2rem 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.25s ease,
    border-color 0.22s ease, background 0.25s ease;
}

/* hapus gradient ekstra pada community card */
.eco-card--community::after {
  content: "";
  display: none;
}

/* top highlight dev card tetap boleh */
.eco-card--developers::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(
    to right,
    rgba(129, 140, 248, 0.7),
    rgba(56, 189, 248, 0.7),
    rgba(16, 185, 129, 0.7)
  );
  opacity: 0.7;
}

.eco-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 70px rgba(15, 23, 42, 1);
  border-color: rgba(148, 163, 184, 0.9);
  background: #020617;
}

/* card top content */

.eco-card-main {
  max-width: 420px;
}

.eco-tag {
  margin: 0 0 0.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #a5b4fc;
}

.eco-card-title {
  margin: 0 0 0.9rem;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #f9fafb;
}

.eco-card-body {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: #9ca3af;
}

/* card CTA */

.eco-card-cta {
  position: relative;
  margin-top: 1.4rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.78rem 1.45rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.85);
  background: #0f172a;
  color: #f9fafb;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.22s ease,
    background 0.2s ease, border-color 0.2s ease;
}

.eco-card-cta-icon {
  font-size: 0.84rem;
}

.eco-card-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left,
      rgba(59, 130, 246, 0.4),
      transparent 55%);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.eco-card-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.9);
  border-color: rgba(148, 163, 184, 1);
  background: #020617;
}

.eco-card-cta:hover::before {
  opacity: 1;
}

/* icon grid */

.eco-card-icons {
  margin-top: 0.2rem;
  padding: 1.6rem 1.6rem 1.5rem;
  border-radius: 1.2rem;
  border: 1px solid rgba(31, 41, 55, 0.95);
  background: #020617;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.eco-card-icons--dev {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 320px;
}

.eco-icon {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 1rem;
  border: 1px solid rgba(55, 65, 81, 0.9);
  background: radial-gradient(circle at top left,
      rgba(15, 23, 42, 1),
      rgba(15, 23, 42, 0.98));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: rgba(249, 250, 251, 0.92);
  font-size: 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.24s ease,
    border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.eco-icon i {
  pointer-events: none;
}

.eco-icon:hover {
  transform: translateY(-3px);
  border-color: rgba(129, 140, 248, 0.95);
  background: radial-gradient(circle at top left,
      rgba(37, 99, 235, 0.3),
      rgba(15, 23, 42, 1));
  box-shadow: 0 18px 38px rgba(15, 23, 42, 1);
  color: #e5e7eb;
}

/* responsive */

@media (max-width: 980px) {
  .ecosystem-section {
    padding-inline: 1.25rem;
  }

  .ecosystem-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .eco-card {
    padding: 1.7rem 1.6rem 1.9rem;
  }

  .eco-card-icons {
    padding: 1.3rem 1.3rem 1.2rem;
  }
}
/* =========================
   Section 5: Our Ecosystem
   ========================= */

.eco5-section {
  background: #050812;
  padding: 5rem 1.75rem 5.4rem;
}

.eco5-card {
  max-width: 1120px;
  margin: 0 auto;
  border-radius: 1.5rem;
  border: 1px solid rgba(31, 41, 55, 0.9);
  background: #020617;
  padding: 2.4rem 2.6rem;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.1fr);
  gap: 2.7rem;
  box-shadow: 0 22px 65px rgba(15, 23, 42, 0.95);
}

/* reveal animation reuse */
.eco5-card.reveal-on-scroll {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.eco5-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* left copy */

.eco5-copy {
  max-width: 460px;
  align-self: center;
}

.eco5-eyebrow {
  margin: 0 0 0.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #a5b4fc;
}

.eco5-title {
  margin: 0 0 1.1rem;
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(2rem, 2.2vw + 1rem, 2.5rem);
  letter-spacing: -0.02em;
  font-weight: 600;
  color: #f9fafb;
}

.eco5-body {
  margin: 0 0 1rem;
  font-size: 0.96rem;
  line-height: 1.8;
  color: #9ca3af;
}

/* CTA */

.eco5-cta {
  position: relative;
  margin-top: 1.4rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.8rem 1.7rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.85);
  background: #0f172a;
  color: #f9fafb;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.22s ease,
    background 0.2s ease, border-color 0.2s ease;
}

.eco5-cta-icon {
  font-size: 0.86rem;
}

.eco5-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left,
      rgba(59, 130, 246, 0.4),
      transparent 55%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.eco5-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 46px rgba(15, 23, 42, 0.95);
  border-color: rgba(148, 163, 184, 1);
  background: #020617;
}

.eco5-cta:hover::before {
  opacity: 1;
}

/* right partners scroller */

.eco5-partners {
  position: relative;
  overflow: hidden;
}

.eco5-partner-track {
  position: relative;
  height: 420px; /* kontrol tinggi area scroll */
  overflow: hidden;
}

/* two stacks digabung lalu di-scroll ke atas */
.eco5-partner-track {
  display: flex;
  flex-direction: column;
  animation: eco5-scroll 22s linear infinite;
}

.eco5-partner-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
  padding-bottom: 1.1rem;
}

/* card individual */

.eco5-partner-card {
  border-radius: 1.1rem;
  border: 1px solid rgba(31, 41, 55, 0.95);
  background: radial-gradient(circle at top left,
      rgba(15, 23, 42, 1),
      rgba(15, 23, 42, 0.96));
  padding: 1rem 1rem 1rem;
  display: flex;
  gap: 0.9rem;
  align-items: center;
  color: #e5e7eb;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.9);
  transition: transform 0.2s ease, box-shadow 0.25s ease,
    border-color 0.22s ease, background 0.22s ease, color 0.22s ease;
}

.eco5-partner-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top left,
      rgba(59, 130, 246, 0.35),
      rgba(15, 23, 42, 1));
  color: #f9fafb;
  font-size: 1.4rem;
}

.eco5-partner-text h3 {
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.eco5-partner-text p {
  margin: 0;
  font-size: 0.78rem;
  color: #9ca3af;
}

.eco5-partner-card:hover {
  transform: translateY(-3px);
  border-color: rgba(148, 163, 184, 0.95);
  background: radial-gradient(circle at top left,
      rgba(37, 99, 235, 0.3),
      rgba(15, 23, 42, 1));
  box-shadow: 0 20px 48px rgba(15, 23, 42, 1);
  color: #f9fafb;
}

/* scroll keyframes */

@keyframes eco5-scroll {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-50%);
  }
}

/* responsive */

@media (max-width: 980px) {
  .eco5-section {
    padding-inline: 1.25rem;
  }

  .eco5-card {
    grid-template-columns: minmax(0, 1fr);
    padding: 2.1rem 1.9rem;
  }

  .eco5-partner-track {
    height: 360px;
  }
}

@media (max-width: 640px) {
  .eco5-card {
    padding: 1.8rem 1.4rem 2rem;
  }

  .eco5-partner-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .eco5-partner-track {
    height: 400px;
  }
}
/* =========================
   Footer
   ========================= */

.zk-footer {
  margin-top: 1px;
  padding: 3.8rem 1.75rem 2.5rem;
  background: linear-gradient(
    to bottom,
    #020617 0%,
    #0b1120 25%,
    #1d4ed8 70%,
    #38bdf8 100%
  );
  color: #e5e7eb;
}

.zk-footer-inner {
  max-width: 1120px;
  margin: 0 auto 2.4rem;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 2fr);
  gap: 3rem;
  align-items: flex-start;
}

.zk-footer-left {
  min-width: 0;
}

.zk-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.7rem;
}

.zk-footer-logo {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  object-fit: cover;
  background: #0f4fff;
}

.zk-footer-name {
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.zk-footer-tagline {
  margin: 0;
  max-width: 260px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: #e5e7eb;
}

.zk-footer-columns {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2.4rem;
}

.zk-footer-col h4 {
  margin: 0 0 0.9rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: #f9fafb;
}

.zk-footer-col a {
  display: block;
  font-size: 0.9rem;
  color: #e5e7eb;
  text-decoration: none;
  margin-bottom: 0.45rem;
  opacity: 0.9;
  transition: opacity 0.18s ease, transform 0.16s ease;
}

.zk-footer-col a:hover {
  opacity: 1;
  transform: translateX(2px);
}

.zk-footer-connect {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.zk-footer-connect i {
  font-size: 1.05rem;
}

/* bottom bar */

.zk-footer-bottom {
  max-width: 1120px;
  margin: 0 auto;
  padding-top: 1.8rem;
  border-top: 1px solid rgba(226, 232, 240, 0.35);
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.78rem;
  color: #e5e7eb;
}

.zk-footer-bottom-right {
  opacity: 0.9;
}

/* responsive */

@media (max-width: 980px) {
  .zk-footer {
    padding-inline: 1.25rem;
  }

  .zk-footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 2.6rem;
  }

  .zk-footer-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .zk-footer {
    padding: 3.2rem 1.25rem 2.3rem;
  }

  .zk-footer-columns {
    grid-template-columns: minmax(0, 1fr);
  }

  .zk-footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}