:root {
  --zlar-teal: #0E799A;
  --zlar-orange: #EF7300;
  --zlar-navy: #071322;
  --zlar-charcoal: #111827;
  --zlar-gray: #4B5563;
  --zlar-border: #E5E7EB;
  --zlar-surface: #F9FAFB;
  --zlar-white: #FFFFFF;
  --success: #0f766e;
  --error: #b91c1c;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--zlar-navy);
  color: var(--zlar-charcoal);
  line-height: 1.5;
}

a {
  color: inherit;
}

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

:focus-visible {
  outline: 3px solid var(--zlar-orange);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(7, 19, 34, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img,
.site-footer img {
  object-fit: contain;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--zlar-white);
  font-size: 0.94rem;
  font-weight: 600;
}

.top-nav a {
  text-decoration: none;
}

.nav-cta {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--zlar-teal);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: clamp(28px, 5vw, 72px);
  min-height: 760px;
  padding: clamp(72px, 10vw, 132px) clamp(20px, 5vw, 72px) clamp(52px, 8vw, 96px);
  color: var(--zlar-white);
  background:
    radial-gradient(circle at top right, rgba(14, 121, 154, 0.28), transparent 34rem),
    linear-gradient(135deg, #071322 0%, #0a1d32 58%, #071322 100%);
}

.hero-content {
  max-width: 830px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--zlar-orange);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--zlar-teal);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 900px;
  margin-bottom: 20px;
  font-size: clamp(2.75rem, 8vw, 5.8rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
  line-height: 1.2;
}

.benefit {
  margin-bottom: 18px;
  color: var(--zlar-white);
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-weight: 700;
}

.positioning {
  margin-bottom: 10px;
  color: var(--zlar-white);
  font-size: clamp(1.15rem, 2.5vw, 1.55rem);
  font-weight: 700;
}

.support {
  max-width: 640px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 22px;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease, opacity 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
  transform: none;
}

.button-primary {
  background: var(--zlar-teal);
  color: var(--zlar-white);
}

.button-secondary {
  background: var(--zlar-orange);
  color: var(--zlar-navy);
}

.event-date {
  color: rgba(255, 255, 255, 0.8);
}

.event-card {
  align-self: start;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
}

.event-card h2 {
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.event-card ul {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 0 0 22px;
  list-style: none;
}

.event-card li {
  display: grid;
  gap: 2px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.event-card span {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.84rem;
}

.event-card strong {
  color: var(--zlar-white);
}

.event-card p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.76);
}

.section {
  padding: clamp(56px, 8vw, 96px) clamp(20px, 5vw, 72px);
}

.light-section,
.form-section {
  background: var(--zlar-surface);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading p {
  color: var(--zlar-gray);
  font-size: 1.08rem;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card,
.timeline article {
  padding: 24px;
  border: 1px solid var(--zlar-border);
  border-radius: 24px;
  background: var(--zlar-white);
}

.feature-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: rgba(14, 121, 154, 0.12);
  color: var(--zlar-teal);
  font-weight: 800;
}

.feature-card p,
.timeline p {
  margin-bottom: 0;
  color: var(--zlar-gray);
}

.split-section,
.community-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  color: var(--zlar-white);
  background: var(--zlar-navy);
}

.split-section p:not(.eyebrow),
.community-section p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.12rem;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.timeline span {
  display: block;
  margin-bottom: 12px;
  color: var(--zlar-orange);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.community-section {
  grid-template-columns: minmax(0, 1fr) auto;
  background: linear-gradient(135deg, #071322, #0b2637);
}

.form-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.form-copy p:not(.eyebrow) {
  color: var(--zlar-gray);
  font-size: 1.06rem;
}

.signup-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: clamp(20px, 4vw, 32px);
  border: 1px solid var(--zlar-border);
  border-radius: 28px;
  background: var(--zlar-white);
  box-shadow: 0 24px 70px rgba(17, 24, 39, 0.08);
}

.field {
  display: grid;
  gap: 8px;
}

.field label,
.check {
  color: var(--zlar-charcoal);
  font-weight: 700;
}

.field label span {
  color: var(--zlar-gray);
  font-size: 0.78rem;
  font-weight: 600;
}

input,
select {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  border: 1px solid var(--zlar-border);
  border-radius: 12px;
  background: var(--zlar-white);
  color: var(--zlar-charcoal);
  font: inherit;
}

input:invalid:not(:focus):not(:placeholder-shown),
select:invalid:not(:focus) {
  border-color: rgba(185, 28, 28, 0.55);
}

.full-field {
  grid-column: 1 / -1;
}

.small-field {
  max-width: 140px;
}

.check {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--zlar-gray);
  font-weight: 500;
}

.check input {
  width: 18px;
  min-width: 18px;
  height: 18px;
  min-height: 18px;
  margin-top: 3px;
  accent-color: var(--zlar-teal);
}

.required-check span {
  color: var(--zlar-charcoal);
}

.website-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-actions {
  display: grid;
  gap: 12px;
  justify-items: start;
}

.form-message {
  min-height: 24px;
  margin: 0;
  font-weight: 700;
}

.form-message.success {
  color: var(--success);
}

.form-message.error {
  color: var(--error);
}

.signup-form.is-complete .field,
.signup-form.is-complete .check,
.signup-form.is-complete .form-actions button {
  display: none;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.72);
  background: var(--zlar-navy);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer p {
  max-width: 680px;
  margin: 0;
}

@media (max-width: 980px) {
  .hero,
  .form-section,
  .split-section,
  .community-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

  .community-section {
    justify-items: start;
  }
}

@media (max-width: 700px) {
  .site-header {
    position: static;
    align-items: flex-start;
  }

  .top-nav {
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.86rem;
  }

  .top-nav a:not(.nav-cta) {
    display: none;
  }

  .grid.four,
  .timeline,
  .signup-form {
    grid-template-columns: 1fr;
  }

  .small-field {
    max-width: none;
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}