:root {
  --yellow: #ffd600;
  --yellow-soft: #ffe866;
  --black: #050505;
  --dark-grey: #151515;
  --mid-grey: #444;
  --light-grey: #f5f5f5;
  --white: #ffffff;
  --radius-lg: 18px;
  --radius-sm: 10px;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.15);
  --transition-fast: 0.2s ease-out;
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

main {
  display: block;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 4.5rem 0;
}

@media (min-width: 900px) {
  section {
    padding: 5.5rem 0;
  }
}

/* Skip link */

.skip-link {
  position: absolute;
  left: -1000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: static;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  background: var(--yellow);
  color: var(--black);
  z-index: 100;
}

/* Header & Nav */

header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 5, 5, 0.96), rgba(5, 5, 5, 0.75));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 2px solid var(--yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.92rem;
}

.nav-links a {
  position: relative;
  padding-bottom: 0.1rem;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: var(--yellow);
  transition: width var(--transition-fast);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  width: 100%;
}

.nav-cta {
  padding: 0.45rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--yellow);
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(255, 214, 0, 0.09);
  transition: background var(--transition-fast), transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.nav-cta:hover {
  background: var(--yellow);
  color: var(--black);
  box-shadow: 0 12px 30px rgba(255, 214, 0, 0.4);
  transform: translateY(-1px);
}

/* Mobile nav */

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(10, 10, 10, 0.9);
  cursor: pointer;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--white);
  position: relative;
  transition: transform 0.25s ease, background 0.25s ease;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--white);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle span::before {
  transform: translateY(-5px);
}

.nav-toggle span::after {
  transform: translateY(5px);
}

.nav-toggle.open span {
  background: transparent;
}

.nav-toggle.open span::before {
  transform: translateY(0) rotate(45deg);
}

.nav-toggle.open span::after {
  transform: translateY(0) rotate(-45deg);
}

.nav-menu {
  position: absolute;
  inset: 4.25rem 0 auto 0;
  background: rgba(5, 5, 5, 0.98);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transform-origin: top;
  transform: scaleY(0);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.nav-menu.open {
  transform: scaleY(1);
  opacity: 1;
  pointer-events: auto;
}

.nav-menu-inner {
  padding: 0.75rem 1.5rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.94rem;
}

.nav-menu-inner a {
  padding: 0.25rem 0;
}

.nav-menu-inner .nav-cta {
  margin-top: 0.5rem;
  text-align: center;
}

@media (min-width: 800px) {
  .nav-toggle,
  .nav-menu {
    display: none;
  }
}

@media (max-width: 799px) {
  .nav-links {
    display: none;
  }
}

/* Hero */

.hero {
  padding-top: 2.8rem;
  padding-bottom: 3.5rem;
  background:
    radial-gradient(circle at 10% 0, rgba(255, 214, 0, 0.11), transparent 55%),
    radial-gradient(circle at 100% 40%, rgba(255, 214, 0, 0.13), transparent 55%),
    radial-gradient(circle at 0 100%, rgba(255, 255, 255, 0.04), transparent 55%);
}

.hero-grid {
  display: grid;
  gap: 2.1rem;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.3fr 1fr;
    align-items: center;
    gap: 3.75rem;
  }
}

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yellow-soft);
  margin-bottom: 0.75rem;
}

.hero-title {
  font-size: clamp(2.1rem, 3vw + 1.4rem, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.hero-title span {
  color: var(--yellow);
}

.hero-subtitle {
  max-width: 30rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.98rem;
  margin-bottom: 1.6rem;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.5rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast),
    border-color var(--transition-fast);
}

.btn-primary {
  background: var(--yellow);
  color: var(--black);
  box-shadow: 0 18px 40px rgba(255, 214, 0, 0.4);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 24px 55px rgba(255, 214, 0, 0.55);
}

.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: transparent;
  color: var(--white);
}

.btn-outline:hover {
  border-color: var(--yellow);
  background: rgba(255, 214, 0, 0.12);
}

.hero-meta {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
}

.hero-meta span {
  color: var(--yellow-soft);
  font-weight: 600;
}

.hero-visual {
  background: radial-gradient(circle at 35% 0, rgba(255, 255, 255, 0.16), transparent 65%),
    radial-gradient(circle at 90% 80%, rgba(255, 214, 0, 0.25), transparent 65%),
    linear-gradient(145deg, #111, #1c1c1c);
  border-radius: 32px;
  padding: 1.3rem;
  box-shadow: var(--shadow-soft);
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.hero-device-tag {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.5rem;
}

.hero-device-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.hero-device-desc {
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.76);
  max-width: 19rem;
}

.hero-monitor {
  border-radius: 22px;
  background: #050505;
  margin-top: 1.1rem;
  padding: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-monitor-inner {
  border-radius: 14px;
  padding: 0.9rem;
  background: #fce4ec;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 0.6rem;
  align-items: center;
}

.hero-figure {
  border-radius: 12px;
  overflow: hidden;
}

.hero-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-monitor-text {
  font-size: 0.8rem;
  color: #111;
}

.hero-monitor-tag {
  display: inline-block;
  padding: 0.18rem 0.4rem;
  border-radius: 999px;
  background: #111;
  color: var(--yellow);
  font-size: 0.7rem;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.hero-chip-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.65rem;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.65);
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.26rem 0.6rem;
  border-radius: 999px;
  border: 1px dashed rgba(255, 214, 0, 0.6);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.73rem;
  background: rgba(0, 0, 0, 0.72);
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  position: absolute;
  right: 1.4rem;
  bottom: 1.4rem;
}

.hero-badge span:first-child {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3cff7c;
  box-shadow: 0 0 0 6px rgba(60, 255, 124, 0.25);
}

/* Generic section styles */

.section-header {
  margin-bottom: 2rem;
  max-width: 640px;
}

.section-tag {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yellow-soft);
  margin-bottom: 0.4rem;
}

.section-title {
  font-size: 1.7rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
}

.section-subtitle {
  font-size: 0.98rem;
  color: rgba(255, 255, 255, 0.68);
}

/* About / Journey */

.about-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1.4fr 1fr;
  }
}

.card {
  background: #101010;
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.4);
}

.about-text p {
  font-size: 0.97rem;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 0.9rem;
}

.about-highlight {
  background: rgba(255, 214, 0, 0.08);
  border-left: 3px solid var(--yellow);
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.9);
}

.journey-timeline {
  display: grid;
  gap: 0.9rem;
  font-size: 0.86rem;
}

.journey-item {
  padding: 0.85rem 0.9rem;
  border-radius: var(--radius-sm);
  background: #151515;
  border: 1px solid rgba(255, 255, 255, 0.04);
  position: relative;
  overflow: hidden;
}

.journey-item::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255, 214, 0, 0.12), transparent 56%);
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.journey-item:hover::before {
  opacity: 1;
}

.journey-label {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yellow-soft);
  margin-bottom: 0.2rem;
}

.journey-title {
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.journey-body {
  color: rgba(255, 255, 255, 0.72);
}

/* Problem / Solution */

.two-column {
  display: grid;
  gap: 1.8rem;
}

@media (min-width: 900px) {
  .two-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  background: rgba(255, 255, 255, 0.06);
  margin-bottom: 0.65rem;
}

.pill span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--yellow);
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.card ul {
  list-style: none;
}

.card ul li {
  padding-left: 1.2rem;
  position: relative;
  margin-bottom: 0.55rem;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.8);
}

.card ul li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--yellow-soft);
}

/* Features */

.feature-grid {
  display: grid;
  gap: 1.4rem;
}

@media (min-width: 900px) {
  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.feature-card {
  background: #111;
  border-radius: var(--radius-lg);
  padding: 1.3rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.04);
  position: relative;
  overflow: hidden;
}

.feature-icon {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  background: rgba(255, 214, 0, 0.16);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}

.feature-card h3 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.78);
}

/* Team */

.team-grid {
  display: grid;
  gap: 1.4rem;
}

@media (min-width: 800px) {
  .team-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.team-card {
  background: #101010;
  border-radius: var(--radius-lg);
  padding: 1rem 0.9rem 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.04);
  text-align: center;
  font-size: 0.88rem;
}

.team-avatar {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  margin: 0 auto 0.7rem;
  overflow: hidden;
  border: 2px solid rgba(255, 214, 0, 0.75);
}

.team-name {
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.team-role {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 0.4rem;
}

.team-note {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.6);
}

/* How it works */

.steps-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 900px) {
  .steps-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.step {
  border-radius: var(--radius-sm);
  background: #101010;
  padding: 0.9rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.86rem;
}

.step-number {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: var(--yellow);
  color: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.step-title {
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.step-body {
  color: rgba(255, 255, 255, 0.75);
}

/* Contact */

.contact-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  }
}

form {
  display: grid;
  gap: 0.8rem;
}

label {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.12rem;
}

input,
textarea {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: #050505;
  color: var(--white);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
textarea:focus {
  border-color: var(--yellow);
  box-shadow: 0 0 0 1px rgba(255, 214, 0, 0.5);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.form-status {
  font-size: 0.85rem;
  margin-top: 0.4rem;
  color: rgba(255, 255, 255, 0.8);
}

.contact-info {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.78);
}

.contact-info p {
  margin-bottom: 0.4rem;
}

.contact-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 214, 0, 0.12);
  font-size: 0.78rem;
  margin-bottom: 0.7rem;
}

.contact-note {
  margin-top: 0.5rem;
}

/* Footer */

footer {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.3rem 0 1.5rem;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
}

.footer-right {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.footer-pill {
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.75rem;
}

/* Reveal Animations */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Back to top */

.back-to-top {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(10, 10, 10, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
  z-index: 40;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-2px);
  border-color: var(--yellow);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

/* Responsive tweaks */

@media (max-width: 599px) {
  .hero {
    padding-top: 2.2rem;
  }
  .hero-visual {
    border-radius: 24px;
  }
}