/* =========================================================
   SignaLink — Digital Signage Platform
   Premium dark theme · Glassmorphism · Animated gradients
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  --bg: #050816;
  --bg-2: #0a0f24;
  --card: rgba(255, 255, 255, 0.06);
  --card-strong: rgba(255, 255, 255, 0.1);
  --card-border: rgba(255, 255, 255, 0.12);
  --card-border-hover: rgba(0, 212, 255, 0.45);

  --blue: #00d4ff;
  --purple: #8a2be2;
  --cyan: #4adede;
  --white: #ffffff;
  --muted: rgba(255, 255, 255, 0.62);
  --muted-2: rgba(255, 255, 255, 0.4);

  --grad: linear-gradient(135deg, #00d4ff 0%, #4adede 45%, #8a2be2 100%);
  --grad-soft: linear-gradient(135deg, rgba(0, 212, 255, 0.18), rgba(138, 43, 226, 0.18));

  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 28px;

  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 40px -8px rgba(0, 212, 255, 0.35);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --nav-h: 72px;
  --maxw: 1200px;

  --font-body: "Poppins", system-ui, -apple-system, sans-serif;
  --font-head: "Space Grotesk", "Poppins", sans-serif;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.no-scroll {
  overflow: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
select,
textarea {
  font-family: inherit;
  color: inherit;
}

::selection {
  background: rgba(0, 212, 255, 0.3);
  color: #fff;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--blue), var(--purple));
  border-radius: 10px;
  border: 2px solid var(--bg);
}

/* ---------- Loader ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  background: var(--bg);
  transition: opacity 0.6s var(--ease), visibility 0.6s var(--ease);
}
.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
}
.loader-ring {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--blue);
  border-right-color: var(--purple);
  animation: spin 0.9s linear infinite;
  margin-bottom: 18px;
}
.loader-text {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.18em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* ---------- Mouse Glow ---------- */
.mouse-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.12), transparent 65%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: opacity 0.4s ease;
  mix-blend-mode: screen;
}
@media (hover: none) {
  .mouse-glow {
    display: none;
  }
}

/* ---------- Aurora Background ---------- */
.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.aurora-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
  will-change: transform;
}
.aurora-blob--1 {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, #00d4ff, transparent 70%);
  top: -120px;
  left: -100px;
  animation: drift1 22s ease-in-out infinite;
}
.aurora-blob--2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #8a2be2, transparent 70%);
  bottom: -160px;
  right: -120px;
  animation: drift2 26s ease-in-out infinite;
}
.aurora-blob--3 {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, #4adede, transparent 70%);
  top: 40%;
  left: 55%;
  animation: drift3 30s ease-in-out infinite;
}
@keyframes drift1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(120px, 80px) scale(1.15); }
}
@keyframes drift2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-100px, -60px) scale(1.1); }
}
@keyframes drift3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-80px, 100px) scale(0.9); }
}

/* ---------- Particle Canvas ---------- */
.particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}

/* ---------- Layout ---------- */
main {
  position: relative;
  z-index: 2;
}

.section {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 120px 24px;
}
.section--alt {
  max-width: none;
  background: linear-gradient(180deg, rgba(10, 15, 36, 0.5), rgba(5, 8, 22, 0.2));
  padding-left: max(24px, calc((100vw - var(--maxw)) / 2));
  padding-right: max(24px, calc((100vw - var(--maxw)) / 2));
}
.section--alt > * {
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
}

.section__head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 64px;
}
.section__tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 7px 16px;
  border: 1px solid rgba(74, 222, 222, 0.3);
  border-radius: 100px;
  background: rgba(74, 222, 222, 0.06);
  margin-bottom: 20px;
}
.section__title {
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.section__lead {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

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

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.4s var(--ease), backdrop-filter 0.4s var(--ease),
    border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(5, 8, 22, 0.72);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: var(--card-border);
  box-shadow: 0 8px 30px -12px rgba(0, 0, 0, 0.6);
}
.nav__inner {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}
.nav__logo {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--grad);
  color: #fff;
  font-size: 1rem;
  box-shadow: var(--shadow-glow);
}
.nav__name {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav__link {
  padding: 8px 14px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--muted);
  border-radius: 9px;
  transition: color 0.25s, background 0.25s;
  position: relative;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav__link:hover {
  color: #fff;
}
.nav__link:hover::after {
  transform: scaleX(1);
}
.nav__cta {
  margin-left: 8px;
  padding: 10px 20px !important;
  background: var(--grad) !important;
  color: #fff !important;
  font-weight: 600 !important;
  border-radius: 100px !important;
  box-shadow: 0 8px 24px -8px rgba(0, 212, 255, 0.6);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.nav__cta::after {
  display: none;
}
.nav__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -8px rgba(0, 212, 255, 0.8);
}
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
}
.nav__toggle span {
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.nav__toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle.is-open span:nth-child(2) {
  opacity: 0;
}
.nav__toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.98rem;
  border-radius: 100px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s var(--ease), box-shadow 0.25s, background 0.25s;
  white-space: nowrap;
}
.btn--primary {
  background: var(--grad);
  background-size: 200% 200%;
  color: #fff;
  box-shadow: 0 10px 30px -10px rgba(0, 212, 255, 0.6);
  animation: gradShift 6s ease infinite;
}
.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px -10px rgba(0, 212, 255, 0.85);
}
.btn--ghost {
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #fff;
}
.btn--ghost:hover {
  transform: translateY(-3px);
  border-color: var(--card-border-hover);
  background: var(--card-strong);
}
.btn--block {
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}
@keyframes gradShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Ripple */
.ripple {
  position: relative;
  overflow: hidden;
}
.ripple .ripple-effect {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  transform: scale(0);
  animation: rippleAnim 0.7s ease-out;
  pointer-events: none;
}
@keyframes rippleAnim {
  to {
    transform: scale(3.5);
    opacity: 0;
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 40px) 24px 120px;
  overflow: hidden;
}
.hero__video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(5, 8, 22, 0.4) 0%, rgba(5, 8, 22, 0.85) 70%, var(--bg) 100%),
    linear-gradient(180deg, rgba(5, 8, 22, 0.5), rgba(5, 8, 22, 0.3) 50%, var(--bg));
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 880px;
}
.hero__eyebrow {
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 22px;
}
.hero__title {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}
.hero__sub {
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  font-weight: 500;
  color: var(--blue);
  letter-spacing: 0.04em;
  margin-bottom: 22px;
}
.hero__desc {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 720px;
  margin: 0 auto 36px;
}
.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero__stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 880px;
  width: 100%;
  margin-top: 72px;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.hero__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.hero__stat-num {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__stat-label {
  font-size: 0.82rem;
  color: var(--muted);
  text-align: center;
  letter-spacing: 0.02em;
}

/* Scroll cue */
.scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--muted-2);
}
.scroll-cue__mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--muted-2);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-cue__mouse span {
  width: 4px;
  height: 8px;
  border-radius: 4px;
  background: var(--cyan);
  animation: scrollDot 1.6s ease-in-out infinite;
}
.scroll-cue__text {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
@keyframes scrollDot {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

/* ---------- Glass Cards (About) ---------- */
.cards {
  display: grid;
  gap: 24px;
}
.cards--3 {
  grid-template-columns: repeat(3, 1fr);
}
.glass-card {
  position: relative;
  padding: 32px 28px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}
.glass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--grad);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s;
}
.glass-card:hover {
  transform: translateY(-8px);
  border-color: transparent;
  box-shadow: var(--shadow), var(--shadow-glow);
}
.glass-card:hover::before {
  opacity: 1;
}
.glass-card__icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--grad-soft);
  color: var(--cyan);
  font-size: 1.4rem;
  margin-bottom: 20px;
  transition: transform 0.4s var(--ease);
}
.glass-card:hover .glass-card__icon {
  transform: scale(1.1) rotate(-6deg);
}
.glass-card h3 {
  font-family: var(--font-head);
  font-size: 1.18rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.glass-card p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 40px;
}
.timeline__line {
  position: absolute;
  left: 19px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--blue), var(--purple));
  border-radius: 2px;
  transform-origin: top;
  transform: scaleY(0);
  transition: transform 1.2s var(--ease);
}
.timeline.is-animated .timeline__line {
  transform: scaleY(1);
}
.timeline__item {
  position: relative;
  margin-bottom: 36px;
}
.timeline__item:last-child {
  margin-bottom: 0;
}
.timeline__dot {
  position: absolute;
  left: -40px;
  top: 0;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--blue);
  z-index: 2;
}
.timeline__dot span {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--cyan);
}
.timeline__card {
  padding: 24px 26px;
}
.timeline__card h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #fff;
}
.timeline__card p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ---------- Service Cards ---------- */
.service-card {
  position: relative;
  padding: 30px 26px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--card-border);
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s, border-color 0.4s;
}
.service-card::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(0, 212, 255, 0.12), transparent 50%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--card-border-hover);
  box-shadow: var(--shadow), 0 0 30px -10px rgba(0, 212, 255, 0.4);
}
.service-card:hover::after {
  opacity: 1;
}
.service-card__icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--grad);
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 20px;
  box-shadow: 0 8px 20px -8px rgba(0, 212, 255, 0.5);
  transition: transform 0.4s var(--ease);
}
.service-card:hover .service-card__icon {
  transform: scale(1.08) rotate(6deg);
}
.service-card h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.service-card p {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

/* ---------- Flow (Marketplace) ---------- */
.flow {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}
.flow__node {
  flex: 1;
  min-width: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px 24px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: transform 0.4s var(--ease), border-color 0.4s;
}
.flow__node:hover {
  transform: translateY(-6px);
  border-color: var(--card-border-hover);
}
.flow__node--center {
  background: var(--grad-soft);
  border-color: rgba(0, 212, 255, 0.4);
}
.flow__icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--grad-soft);
  color: var(--cyan);
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.flow__icon--center {
  background: var(--grad);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.flow__node h4 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.flow__node p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}
.flow__arrow {
  display: flex;
  align-items: center;
  font-size: 1.6rem;
  color: var(--blue);
  align-self: center;
  animation: arrowPulse 2s ease-in-out infinite;
}
@keyframes arrowPulse {
  0%, 100% { transform: translateX(0); opacity: 0.6; }
  50% { transform: translateX(6px); opacity: 1; }
}

/* ---------- Vision ---------- */
.vision {
  position: relative;
  max-width: none;
  padding: 140px 24px;
  overflow: hidden;
}
.vision__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 30%, rgba(0, 212, 255, 0.12), transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(138, 43, 226, 0.14), transparent 50%);
}
.vision__content {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  text-align: center;
}
.vision__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin: 56px auto 40px;
  text-align: left;
}
.vision__col {
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.vision__col h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--cyan);
}
.check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.check-list li {
  position: relative;
  padding-left: 30px;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.5;
}
.check-list li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--blue);
  font-size: 0.85rem;
}
.vision__closing {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 500;
  color: #fff;
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Why Join Early ---------- */
.early-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}
.early-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.check-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  background: var(--card);
  border: 1px solid var(--card-border);
  font-size: 1rem;
  font-weight: 500;
  transition: transform 0.3s var(--ease), border-color 0.3s, background 0.3s;
}
.check-item i {
  color: var(--cyan);
  font-size: 1.2rem;
}
.check-item:hover {
  transform: translateX(8px);
  border-color: var(--card-border-hover);
  background: var(--card-strong);
}
.early-stats {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.stat-block {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  text-align: center;
  transition: transform 0.3s var(--ease), border-color 0.3s;
}
.stat-block:hover {
  transform: translateY(-4px);
  border-color: var(--card-border-hover);
}
.stat-block__num {
  display: block;
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 6px;
}
.stat-block__label {
  color: var(--muted);
  font-size: 0.92rem;
}

/* ---------- Enroll Form ---------- */
.form-wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 44px;
  border-radius: var(--radius-lg);
  background: var(--card);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 20px;
}
.field {
  position: relative;
}
.field--full {
  grid-column: 1 / -1;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 18px 16px 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 0.98rem;
  outline: none;
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
  appearance: none;
  -webkit-appearance: none;
}
.field textarea {
  resize: vertical;
  min-height: 80px;
  padding-top: 24px;
}
.field select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%234adede' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}
.field select:invalid {
  color: transparent;
}
.field select:focus,
.field select:not([value=""]):not(.is-placeholder) {
  color: #fff;
}
.field select option {
  background: var(--bg-2);
  color: #fff;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--blue);
  background: rgba(0, 212, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.12);
}
.field label {
  position: absolute;
  left: 16px;
  top: 16px;
  color: var(--muted);
  font-size: 0.98rem;
  pointer-events: none;
  transition: transform 0.25s var(--ease), color 0.25s, font-size 0.25s;
  transform-origin: left;
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field select:focus + label,
.field select:not(:invalid) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
  transform: translateY(-10px) scale(0.78);
  color: var(--cyan);
}
.field input:not(:placeholder-shown),
.field textarea:not(:placeholder-shown) {
  padding-top: 22px;
}
.field input::placeholder,
.field textarea::placeholder {
  color: transparent;
}
.field input,
.field textarea {
  /* ensure floating label works even when placeholder shown trick needs a space */
}
.field input:not([required])::placeholder,
.field textarea:not([required])::placeholder {
  color: transparent;
}
.field input:not([required]),
.field textarea:not([required]) {
  padding-top: 22px;
}
.field input:not([required]):not(:placeholder-shown) + label,
.field textarea:not([required]):not(:placeholder-shown) + label {
  transform: translateY(-10px) scale(0.78);
  color: var(--cyan);
}
.field input:not([required]):focus + label,
.field textarea:not([required]):focus + label {
  transform: translateY(-10px) scale(0.78);
  color: var(--cyan);
}
.field.is-invalid input,
.field.is-invalid select,
.field.is-invalid textarea {
  border-color: #ff5a6e;
  box-shadow: 0 0 0 3px rgba(255, 90, 110, 0.12);
}
.field__error {
  display: block;
  margin-top: 6px;
  padding-left: 4px;
  color: #ff7a8a;
  font-size: 0.78rem;
  min-height: 14px;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.25s, transform 0.25s;
}
.field.is-invalid .field__error {
  opacity: 1;
  transform: translateY(0);
}
.form-note {
  margin-top: 16px;
  text-align: center;
  font-size: 0.92rem;
  min-height: 20px;
}
.form-note.is-success {
  color: var(--cyan);
}
.form-note.is-error {
  color: #ff7a8a;
}

/* ---------- FAQ ---------- */
.faq {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq__item {
  border-radius: var(--radius-sm);
  background: var(--card);
  border: 1px solid var(--card-border);
  overflow: hidden;
  transition: border-color 0.3s, background 0.3s;
}
.faq__item.is-open {
  border-color: var(--card-border-hover);
  background: var(--card-strong);
}
.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  color: #fff;
}
.faq__q i {
  color: var(--cyan);
  font-size: 1rem;
  transition: transform 0.35s var(--ease);
  flex-shrink: 0;
}
.faq__item.is-open .faq__q i {
  transform: rotate(135deg);
}
.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}
.faq__a p {
  padding: 0 26px 24px;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.7;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: 32px 22px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--card-border);
  transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s;
}
.contact-card:hover {
  transform: translateY(-6px);
  border-color: var(--card-border-hover);
  box-shadow: var(--shadow), 0 0 24px -10px rgba(0, 212, 255, 0.4);
}
.contact-card__icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--grad-soft);
  color: var(--cyan);
  font-size: 1.3rem;
  margin-bottom: 6px;
}
.contact-card__label {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.contact-card__value {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
}
.map-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
  height: 360px;
}
.map-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: invert(0.92) hue-rotate(180deg) saturate(0.7) brightness(0.9);
}

/* ---------- Floating CTA ---------- */
.float-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 100px;
  background: var(--grad);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.92rem;
  box-shadow: 0 12px 30px -8px rgba(0, 212, 255, 0.7);
  opacity: 0;
  transform: translateY(20px) scale(0.9);
  pointer-events: none;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), box-shadow 0.3s;
}
.float-cta.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.float-cta:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 16px 36px -8px rgba(0, 212, 255, 0.9);
}
.float-cta i {
  font-size: 1.1rem;
}

/* ---------- Footer ---------- */
.footer {
  position: relative;
  z-index: 2;
  background: linear-gradient(180deg, transparent, rgba(10, 15, 36, 0.8));
  border-top: 1px solid var(--card-border);
  padding: 64px 24px 28px;
}
.footer__top {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--card-border);
}
.footer__brand p {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.7;
  margin: 18px 0 20px;
  max-width: 320px;
}
.footer__social {
  display: flex;
  gap: 12px;
}
.footer__social a {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--muted);
  font-size: 0.95rem;
  transition: transform 0.3s var(--ease), color 0.3s, border-color 0.3s, background 0.3s;
}
.footer__social a:hover {
  transform: translateY(-3px);
  color: #fff;
  border-color: var(--card-border-hover);
  background: var(--grad-soft);
}
.footer__col h4 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 18px;
  color: #fff;
}
.footer__col a {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
  padding: 5px 0;
  transition: color 0.25s, transform 0.25s;
}
.footer__col a:hover {
  color: var(--cyan);
  transform: translateX(4px);
}
.footer__news p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 14px;
}
.newsletter {
  display: flex;
  gap: 8px;
}
.newsletter input {
  flex: 1;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--card-border);
  border-radius: 100px;
  color: #fff;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.3s;
}
.newsletter input:focus {
  border-color: var(--blue);
}
.newsletter input::placeholder {
  color: var(--muted-2);
}
.newsletter button {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  padding: 0;
  flex-shrink: 0;
}
.newsletter__msg {
  margin-top: 10px;
  font-size: 0.82rem;
  min-height: 16px;
  color: var(--cyan);
}
.footer__bottom {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted-2);
  font-size: 0.85rem;
}

/* ---------- Reveal Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .cards--3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .vision__grid {
    grid-template-columns: 1fr;
  }
  .early-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer__top {
    grid-template-columns: 1fr 1fr;
  }
  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .nav__links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 20px 24px 28px;
    background: rgba(5, 8, 22, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s var(--ease), opacity 0.4s;
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
  }
  .nav__links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__link {
    padding: 14px 16px;
    font-size: 1rem;
    border-radius: 12px;
  }
  .nav__link:hover {
    background: var(--card);
  }
  .nav__link::after {
    display: none;
  }
  .nav__cta {
    margin-left: 0;
    margin-top: 8px;
    text-align: center;
    justify-content: center;
  }
  .nav__toggle {
    display: flex;
  }
  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 16px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-wrap {
    padding: 28px 22px;
  }
  .flow__arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 560px) {
  .section {
    padding: 90px 18px;
  }
  .cards--3 {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer__top {
    grid-template-columns: 1fr;
  }
  .hero__actions {
    flex-direction: column;
    width: 100%;
  }
  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }
  .float-cta span {
    display: none;
  }
  .float-cta {
    padding: 16px;
  }
}

@media (min-width: 1600px) {
  :root {
    --maxw: 1320px;
  }
  .section__title {
    font-size: 3.4rem;
  }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .aurora,
  .particles,
  .mouse-glow {
    display: none;
  }
}