:root {
  --bg: #020617;
  --bg-alt: #020817;
  --primary: #4f46e5;
  --primary-2: #22c55e;
  --primary-3: #06b6d4;
  --text: #f9fafb;
  --text-muted: #9ca3af;
  --border-subtle: rgba(148, 163, 184, 0.4);
  --card-bg: rgba(15, 23, 42, 0.65);
  --radius-lg: 22px;
  --radius-md: 14px;
  --shadow-strong: 0 30px 90px rgba(15, 23, 42, 0.95);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top, #020617 0, #020617 35%, #000 100%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* CONTAINER */
.container {
  width: min(1120px, 100% - 2.5rem);
  margin: 0 auto;
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(2, 6, 23, 0.96), rgba(2, 6, 23, 0.88), transparent);
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.logo span {
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  font-size: 0.75rem;
}

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

.main-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  position: relative;
  padding-bottom: 0.15rem;
  transition: color 0.2s ease, transform 0.2s ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  transition: width 0.2s ease;
}

.main-nav a:hover {
  color: #e5e7eb;
  transform: translateY(-1px);
}

.main-nav a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 0.45rem 1.2rem;
  border-radius: 999px;
  border: 1px solid rgba(129, 140, 248, 0.9);
  background: radial-gradient(circle at top left, rgba(79, 70, 229, 0.4), rgba(15, 23, 42, 0.96));
  color: #e5e7eb !important;
  font-weight: 500;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.8rem;
}

/* HERO AUDACIOSO */
.hero {
  position: relative;
  padding: 5.5rem 0 4rem;
  overflow: hidden;
}

.hero-orbit {
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
}

.hero-bg-orbits {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(circle at 5% 0%, rgba(56, 189, 248, 0.2), transparent 55%),
    radial-gradient(circle at 95% 0%, rgba(88, 28, 135, 0.7), transparent 55%),
    radial-gradient(circle at 50% 90%, rgba(16, 185, 129, 0.4), transparent 55%);
  opacity: 0.9;
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.1fr);
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #9ca3af;
  margin-bottom: 0.7rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 4.4vw, 3.4rem);
  line-height: 1.02;
  margin: 0 0 1.2rem;
}

.hero h1 span {
  background: linear-gradient(135deg, #a5b4fc, #4ade80);
  -webkit-background-clip: text;
  color: transparent;
}

.hero h1 .accent {
  background: linear-gradient(135deg, #22d3ee, #a855f7);
  -webkit-background-clip: text;
  color: transparent;
}

.hero-subtitle {
  color: var(--text-muted);
  max-width: 35rem;
  font-size: 0.98rem;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 2rem 0 1.7rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.btn.primary {
  background: conic-gradient(from 210deg, #4f46e5, #22c55e, #06b6d4, #4f46e5);
  background-size: 200%;
  color: #eff6ff;
  box-shadow: 0 22px 60px rgba(56, 189, 248, 0.65);
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 28px 80px rgba(56, 189, 248, 0.9);
  animation: btnGlow 3s linear infinite;
}

.btn.ghost {
  border-color: rgba(148, 163, 184, 0.7);
  background: rgba(15, 23, 42, 0.9);
  color: var(--text);
}

.btn.ghost.neon:hover {
  box-shadow: 0 0 35px rgba(56, 189, 248, 0.75);
  border-color: rgba(56, 189, 248, 0.9);
}

.btn.full-width {
  width: 100%;
}

@keyframes btnGlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* METRICS FLOATING */
.hero-metrics {
  display: flex;
  gap: 1.1rem;
  margin-top: 0.5rem;
}

.metrics-floating .metric {
  min-width: 90px;
}

.metric {
  border-radius: 18px;
  padding: 0.7rem 0.9rem;
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.9));
  border: 1px solid rgba(148, 163, 184, 0.45);
  position: relative;
  overflow: hidden;
}

.metric::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: conic-gradient(from 220deg, rgba(56, 189, 248, 0.4), transparent, rgba(129, 140, 248, 0.5), transparent);
  opacity: 0.15;
  mix-blend-mode: screen;
}

.metric-number {
  font-size: 1.4rem;
  font-weight: 600;
  position: relative;
}

.metric-label {
  display: block;
  font-size: 0.76rem;
  color: var(--text-muted);
  position: relative;
}

/* TILT CARDS */
.tilt-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-strong);
  position: relative;
  overflow: hidden;
}

.tilt-card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: conic-gradient(
    from 200deg,
    rgba(59, 130, 246, 0.25),
    rgba(56, 189, 248, 0.35),
    transparent,
    transparent
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  mix-blend-mode: screen;
}

.tilt-card:hover::before {
  opacity: 0.8;
}

.tilt-card:hover {
  transform: translateY(-4px) rotate3d(1, -1, 0, 4deg);
}

/* HERO PANEL */
.hero-panel {
  padding: 1.6rem 1.5rem 1.5rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
}

.status-pill {
  border-radius: 999px;
  padding: 0.2rem 0.8rem;
  border: 1px solid rgba(34, 197, 94, 0.8);
  color: #bbf7d0;
  font-size: 0.68rem;
  background: radial-gradient(circle at top left, rgba(16, 185, 129, 0.35), rgba(6, 95, 70, 0.9));
}

.status-pill.small {
  padding: 0.12rem 0.5rem;
  font-size: 0.65rem;
  border-color: rgba(148, 163, 184, 0.7);
  color: #e5e7eb;
  background: rgba(15, 23, 42, 0.9);
}

.panel-section h3 {
  font-size: 0.88rem;
  margin: 0 0 0.5rem;
}

.panel-section + .panel-section {
  margin-top: 1.1rem;
}

.panel-orbit-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 0.7rem;
  align-items: center;
  font-size: 0.75rem;
  margin-bottom: 0.4rem;
}

.orbit-tag {
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-size: 0.68rem;
}

.orbit-bar {
  position: relative;
  height: 5px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 1);
  overflow: hidden;
}

.orbit-bar span {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #22c55e, #4ade80, #bef264);
}

/* SEÇÕES GENÉRICAS */
.section {
  padding: 4.5rem 0 3.6rem;
  position: relative;
}

/* DIAGONAL SECTION */
.diagonal-section {
  background: transparent;
}

.diagonal-bg {
  position: absolute;
  inset: 10% -20%;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.2), rgba(15, 23, 42, 0.9));
  transform: skewY(-5deg);
  transform-origin: top left;
  z-index: -1;
}

/* NEON SECTION */
.neon-section {
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.9), #020617 65%, #000 100%);
  position: relative;
  overflow: hidden;
}

.neon-section::before {
  content: "";
  position: absolute;
  inset: -10%;
  background:
    radial-gradient(circle at 10% 0%, rgba(56, 189, 248, 0.25), transparent 60%),
    radial-gradient(circle at 90% 0%, rgba(129, 140, 248, 0.25), transparent 60%);
  opacity: 0.9;
  mix-blend-mode: screen;
  pointer-events: none;
}

.neon-section > .container {
  position: relative;
  z-index: 1;
}

/* GLASS SECTION */
.section-glass {
  background: radial-gradient(circle at bottom, rgba(15, 23, 42, 0.8), #020617 65%);
}

/* WAVE SECTION */
.section-wave {
  overflow: hidden;
}

.section-wave-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 0% 100%, rgba(56, 189, 248, 0.25), transparent 55%),
    radial-gradient(circle at 100% 0%, rgba(168, 85, 247, 0.2), transparent 55%);
  mix-blend-mode: screen;
  opacity: 0.8;
  pointer-events: none;
}

/* SECTION HEADER */
.section-header {
  max-width: 44rem;
  margin-bottom: 2.4rem;
}

.section-header.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-size: 1.8rem;
  margin: 0.3rem 0 0.5rem;
}

.section-header p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* GRID CARDS */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
}

.audacious-grid .card {
  padding: 1.5rem 1.4rem;
  transform-origin: center;
}

.card {
  background: rgba(15, 23, 42, 0.88);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.4rem 1.3rem;
  position: relative;
}

.card h3 {
  margin: 0 0 0.7rem;
  font-size: 1.02rem;
}

.card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.card ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.card ul li {
  font-size: 0.86rem;
  color: #e5e7eb;
  padding-left: 1.1rem;
  position: relative;
  margin-bottom: 0.35rem;
}

.card ul li::before {
  content: "◆";
  position: absolute;
  left: 0;
  color: #a5b4fc;
  font-size: 0.55rem;
  top: 0.3rem;
}

/* SPLIT */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.split p {
  font-size: 0.94rem;
  color: var(--text-muted);
}

.split ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.split ul li {
  font-size: 0.9rem;
  color: #e5e7eb;
  padding-left: 1.1rem;
  position: relative;
  margin-bottom: 0.35rem;
}

.split ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: #a5b4fc;
}

.split-neon > .tilt-card {
  padding: 1.5rem 1.4rem;
}

/* STATS PILLS */
.stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.1rem;
}

.stat-pill {
  border-radius: 999px;
  border: 1px solid rgba(56, 189, 248, 0.8);
  padding: 0.25rem 0.8rem;
  font-size: 0.78rem;
  color: #ecfeff;
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.4), rgba(15, 23, 42, 0.95));
}

/* STEPS / TIMELINE */
.steps.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  position: relative;
}

.steps.timeline::before {
  content: "";
  position: absolute;
  top: 1.1rem;
  left: 0.5rem;
  right: 0.5rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(55, 65, 81, 0.3), rgba(56, 189, 248, 0.8), rgba(55, 65, 81, 0.3));
  z-index: 0;
}

.step {
  position: relative;
  padding: 1.2rem 1.1rem;
  background: rgba(15, 23, 42, 0.9);
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.5);
  z-index: 1;
}

.step-number {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  border: 2px solid rgba(56, 189, 248, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.3), rgba(15, 23, 42, 1));
}

.step h3 {
  margin: 0 0 0.4rem;
  font-size: 0.98rem;
}

.step p {
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* RESULTADOS */
.results-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
  margin-bottom: 2.4rem;
}

.result-card {
  padding: 1.5rem 1.4rem;
}

.result-card h3 {
  margin-top: 0;
  font-size: 0.98rem;
}

.result-value {
  font-size: 2rem;
  font-weight: 600;
  margin: 0.3rem 0 0.6rem;
  background: conic-gradient(from 180deg, #4f46e5, #22c55e, #22d3ee, #4f46e5);
  -webkit-background-clip: text;
  color: transparent;
}

.result-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.tag {
  display: inline-flex;
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  font-size: 0.74rem;
  color: #e5e7eb;
  margin-top: 0.45rem;
}

/* CASES HIGHLIGHT */
.cases-highlight {
  background: rgba(15, 23, 42, 0.9);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.7);
  padding: 1.6rem 1.4rem;
}

.neon-border {
  position: relative;
}

.neon-border::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: conic-gradient(
    from 180deg,
    rgba(56, 189, 248, 0.7),
    rgba(129, 140, 248, 0.7),
    rgba(16, 185, 129, 0.7),
    rgba(56, 189, 248, 0.7)
  );
  opacity: 0.4;
  filter: blur(18px);
  z-index: -1;
}

.cases-highlight h3 {
  margin-top: 0;
  font-size: 1.02rem;
}

.cases-note {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.cases-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.3rem;
  margin-top: 1.2rem;
}

.case-item h4 {
  font-size: 0.92rem;
  margin-bottom: 0.25rem;
}

.case-item p {
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* STACK */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.6rem;
}

.stack-group {
  padding: 1.5rem 1.4rem;
}

.stack-group h3 {
  margin-top: 0;
  font-size: 0.98rem;
}

.stack-group p {
  font-size: 0.86rem;
  color: var(--text-muted);
}

.stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.85rem;
}

.stack-tags span {
  font-size: 0.78rem;
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  color: #e5e7eb;
  background: rgba(15, 23, 42, 0.95);
}

/* SOBRE */
.about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  padding: 1.1rem 1rem;
}

.quote {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: #e5e7eb;
  border-left: 3px solid rgba(56, 189, 248, 0.9);
  padding-left: 0.8rem;
}

.location {
  grid-column: span 2;
  background: rgba(15, 23, 42, 0.95);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  padding: 0.7rem 0.8rem;
  font-size: 0.8rem;
}

.location span {
  display: block;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

/* FAQ */
.faq-list {
  display: grid;
  gap: 0.8rem;
}

details {
  background: rgba(15, 23, 42, 0.96);
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  padding: 0.85rem 1rem;
}

summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.92rem;
}

summary::-webkit-details-marker {
  display: none;
}

details[open] summary {
  color: #e5e7eb;
}

details p {
  margin: 0.7rem 0 0;
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* CTA / CONTATO */
.section-cta {
  border-top: 1px solid rgba(148, 163, 184, 0.3);
  border-bottom: 1px solid rgba(15, 23, 42, 0.95);
}

.cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.1fr);
  gap: 2rem;
  align-items: flex-start;
}

.cta-text h2 {
  margin-top: 0;
  font-size: 1.7rem;
}

.cta-text p {
  font-size: 0.96rem;
  color: var(--text-muted);
}

.contact-channels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 1.4rem 0;
}

.contact-channels .label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
}

.contact-channels a,
.contact-channels span {
  font-size: 0.9rem;
}

.small {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* FORMULÁRIO */
.contact-form {
  padding: 1.5rem 1.4rem 1.3rem;
}

.form-group {
  margin-bottom: 0.9rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

input,
select,
textarea {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border-radius: 10px;
  border: 1px solid rgba(31, 41, 55, 0.9);
  background: rgba(15, 23, 42, 0.9);
  color: var(--text);
  font-family: inherit;
  font-size: 0.88rem;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(56, 189, 248, 0.9);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.7);
}

textarea {
  resize: vertical;
}

.form-feedback {
  font-size: 0.78rem;
  margin-top: 0.55rem;
  color: #bbf7d0;
}

/* FOOTER */
.site-footer {
  background: #020617;
  border-top: 1px solid rgba(15, 23, 42, 0.95);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 2.2rem;
  padding: 2rem 0 1.6rem;
}

.footer-brand p {
  font-size: 0.86rem;
  color: var(--text-muted);
  max-width: 18rem;
}

.footer-cols {
  display: flex;
  gap: 3rem;
}

.footer-cols h4 {
  font-size: 0.86rem;
  margin: 0 0 0.4rem;
}

.footer-cols ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-cols li {
  font-size: 0.82rem;
  margin-bottom: 0.25rem;
  color: var(--text-muted);
}

.footer-cols a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-cols a:hover {
  color: #e5e7eb;
}

.footer-bottom {
  border-top: 1px solid rgba(15, 23, 42, 0.95);
  padding: 0.7rem 0;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* RESPONSIVO */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-panel {
    order: -1;
  }

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

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

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

  .steps.timeline::before {
    display: none;
  }

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

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

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

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

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

  .footer-inner {
    flex-direction: column;
  }

  .footer-cols {
    gap: 2rem;
  }

  .site-header {
    backdrop-filter: blur(14px);
  }

  .main-nav {
    position: absolute;
    inset: 70px 0 auto 0;
    background: rgba(2, 6, 23, 0.98);
    padding: 0.9rem 1.4rem 1.2rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.9rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: block;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 4.5rem;
  }

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

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

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

  .footer-cols {
    flex-direction: column;
  }
}