/* ─── TOKENS ─────────────────────────────────────────── */
:root {
  --bg: #050505;
  --bg-deep: #030712;
  --surface: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.10);
  --teal: #3EE6C1;
  --cyan: #22D3EE;
  --violet: #6B46FF;
  --white: #FFFFFF;
  --secondary: #A1A1AA;
  --muted: #71717A;
  --glow-teal: 0 0 40px rgba(62, 230, 193, 0.35);
  --glow-violet: 0 0 50px rgba(107, 70, 255, 0.25);
  --radius: 20px;
  --radius-lg: 28px;
  --font: 'Inter', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--white);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ─── SITE BUILDING MODE ────────────────────────────── */
body.site-building > *:not(.gate) {
  display: none !important;
}

/* ─── PERMANENT GATE ─────────────────────────────────── */
.gate {
  position: fixed; inset: 0; z-index: 99999;
  background: var(--bg-deep);
  display: flex; align-items: center; justify-content: center;
}
#particle-canvas-gate {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none; opacity: 0.5;
}
.gate-content {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 24px;
}
.gate-logo {
  font-size: 52px; font-weight: 900; letter-spacing: 0.25em;
  color: var(--white);
  animation: logo-pulse 4s ease-in-out infinite;
}
.gate-status {
  display: flex; align-items: center; gap: 12px;
  font-size: 14px; font-weight: 500; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--secondary);
}
.gate-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 15px var(--teal);
  animation: blink 1s ease-in-out infinite;
}
.gate-bar {
  width: 200px; height: 1px; background: rgba(255,255,255,0.05);
  border-radius: 1px; overflow: hidden;
}
.gate-progress-loop {
  width: 40%; height: 100%; background: var(--teal);
  animation: gate-loop 2s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

@keyframes logo-pulse {
  0%, 100% { opacity: 0.6; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1); }
}
@keyframes gate-loop {
  0% { transform: translateX(-150%); }
  100% { transform: translateX(250%); }
}

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

img {
  max-width: 100%;
}

/* ─── SCROLLBAR ──────────────────────────────────────── */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--teal);
  border-radius: 4px;
}

/* ─── LAYOUT ─────────────────────────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 120px 0;
  position: relative;
}

/* ─── NAV ────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(20px);
  border-color: var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--white);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  color: var(--secondary);
  transition: color 0.2s;
}

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

.nav-cta {
  background: var(--teal) !important;
  color: #000 !important;
  padding: 8px 20px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 13px !important;
  transition: box-shadow 0.3s, transform 0.2s !important;
}

.nav-cta:hover {
  box-shadow: var(--glow-teal);
  transform: translateY(-1px);
}

/* ─── BUTTONS ────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--teal);
  color: #000;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  padding: 16px 36px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.3s;
  animation: glow-pulse 3s ease-in-out infinite;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--glow-teal);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--secondary);
  font-size: 14px;
  font-weight: 500;
  padding: 16px 0;
  transition: color 0.2s;
}

.btn-ghost:hover {
  color: var(--white);
}

.btn-full {
  width: 100%;
}

@keyframes glow-pulse {

  0%,
  100% {
    box-shadow: 0 0 20px rgba(62, 230, 193, 0.2);
  }

  50% {
    box-shadow: 0 0 50px rgba(62, 230, 193, 0.5);
  }
}

/* ─── SECTION LABELS ─────────────────────────────────── */
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
  display: block;
}

.section-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.section-sub {
  font-size: 18px;
  color: var(--secondary);
  line-height: 1.6;
  max-width: 600px;
  margin-bottom: 56px;
}

/* ─── REVEAL ANIMATION ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ─── HERO ───────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(62, 230, 193, 0.07) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(107, 70, 255, 0.07) 0%, transparent 60%),
    var(--bg-deep);
}

#particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
  padding: 120px 24px 80px;
  margin: 0 auto 0 max(24px, calc(50vw - 550px));
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  color: var(--secondary);
  margin-bottom: 32px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

.hero-headline {
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 40%, var(--teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 18px;
  color: var(--secondary);
  line-height: 1.65;
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.hero-micro {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* FLOATING CARDS */
.hero-cards {
  position: absolute;
  right: max(24px, calc(50vw - 550px));
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.float-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px);
  padding: 14px 20px;
  border-radius: var(--radius);
  animation: float-card 4s ease-in-out infinite;
}

.float-card.fc2 {
  animation-delay: -1.3s;
}

.float-card.fc3 {
  animation-delay: -2.6s;
}

@keyframes float-card {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

.fc-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 10px currentColor;
}

.fc-dot.teal {
  background: var(--teal);
  color: var(--teal);
}

.fc-dot.violet {
  background: var(--violet);
  color: var(--violet);
}

.fc-dot.cyan {
  background: var(--cyan);
  color: var(--cyan);
}

.fc-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.fc-label {
  font-size: 13px;
  font-weight: 600;
}

.fc-desc {
  font-size: 11px;
  color: var(--secondary);
}

/* TRACE BUBBLES */
.hero-bubbles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.trace-bubble {
  position: absolute;
  border-radius: 50%;
  animation: bubble-float 8s ease-in-out infinite;
}

.b1 {
  width: 200px;
  height: 200px;
  top: 20%;
  left: 10%;
  background: radial-gradient(circle, rgba(62, 230, 193, 0.08) 0%, transparent 70%);
  animation-delay: 0s;
}

.b2 {
  width: 300px;
  height: 300px;
  top: 50%;
  right: 5%;
  background: radial-gradient(circle, rgba(107, 70, 255, 0.08) 0%, transparent 70%);
  animation-delay: -3s;
}

.b3 {
  width: 150px;
  height: 150px;
  bottom: 20%;
  left: 30%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.08) 0%, transparent 70%);
  animation-delay: -6s;
}

.b4 {
  width: 80px;
  height: 80px;
  top: 30%;
  right: 25%;
  background: radial-gradient(circle, rgba(62, 230, 193, 0.15) 0%, transparent 70%);
  animation-delay: -2s;
}

.b5 {
  width: 120px;
  height: 120px;
  bottom: 30%;
  right: 15%;
  background: radial-gradient(circle, rgba(107, 70, 255, 0.12) 0%, transparent 70%);
  animation-delay: -5s;
}

@keyframes bubble-float {

  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(-20px) scale(1.05);
  }
}

/* ─── HOW IT WORKS ───────────────────────────────────── */
.how-section {
  background: var(--bg);
}

.how-section .section-title {
  text-align: center;
}

.how-section .section-label {
  text-align: center;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 64px;
}

.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}

.step-card:hover {
  border-color: rgba(62, 230, 193, 0.4);
  transform: translateY(-4px);
}

.step-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(62, 230, 193, 0.03), transparent);
  pointer-events: none;
}

.step-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--teal);
  margin-bottom: 20px;
}

.step-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-card p {
  font-size: 15px;
  color: var(--secondary);
  line-height: 1.6;
}

/* ─── FEATURES ───────────────────────────────────────── */
.features-section {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 64px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  cursor: default;
}

.feature-card:hover {
  border-color: rgba(62, 230, 193, 0.35);
  transform: translateY(-4px) rotate3d(1, 1, 0, 1deg);
  box-shadow: var(--glow-teal);
}

.feature-wide {
  grid-column: span 2;
}

.feature-icon {
  font-size: 24px;
  color: var(--teal);
  margin-bottom: 20px;
  display: block;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--secondary);
  line-height: 1.6;
}

/* ─── CITY ───────────────────────────────────────────── */
.city-section {
  background: var(--bg);
}

.city-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.city-card {
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  padding: 28px 24px;
  border-radius: var(--radius);
  transition: border-color 0.3s, transform 0.3s;
}

.city-card:hover {
  border-color: rgba(62, 230, 193, 0.35);
  transform: translateY(-3px);
}

.city-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.city-flag {
  font-size: 20px;
}

.city-name {
  font-size: 16px;
  font-weight: 700;
  flex: 1;
}

.city-pct {
  font-size: 13px;
  font-weight: 600;
  color: var(--teal);
}

.city-bar {
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
}

.city-fill {
  height: 100%;
  width: 0;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--teal), var(--cyan));
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.city-card.visible .city-fill {
  width: var(--pct);
}

/* ─── FOUNDER ────────────────────────────────────────── */
.founder-section {
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg) 100%);
}

.founder-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.referral-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ref-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  opacity: 0.5;
  transition: opacity 0.3s;
}

.ref-step:last-child {
  border-bottom: none;
}

.ref-step.active {
  opacity: 1;
}

.ref-step-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--teal);
  flex-shrink: 0;
}

.ref-step.active .ref-step-icon {
  background: rgba(62, 230, 193, 0.15);
  border-color: var(--teal);
}

.ref-step-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 6px;
}

.ref-step-body strong {
  font-size: 15px;
  font-weight: 600;
}

.ref-step-body span {
  font-size: 13px;
  color: var(--secondary);
}

.founder-card {
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(24px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.founder-card:hover {
  box-shadow: var(--glow-violet);
}

.founder-card-inner {
  padding: 40px 36px;
}

.founder-rank {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 28px;
}

.rank-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--muted);
  text-transform: uppercase;
}

.rank-num {
  font-size: 52px;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--white);
}

.founder-divider {
  height: 1px;
  background: var(--border);
  margin-bottom: 24px;
}

.founder-stat {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--secondary);
  margin-bottom: 14px;
}

.stat-icon {
  font-size: 16px;
}

.teal-icon {
  color: var(--teal);
}

.violet-icon {
  color: var(--violet);
}

.founder-tag {
  display: inline-block;
  margin-top: 24px;
  background: linear-gradient(135deg, rgba(107, 70, 255, 0.2), rgba(62, 230, 193, 0.1));
  border: 1px solid rgba(107, 70, 255, 0.4);
  color: var(--teal);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 100px;
}

/* ─── WAITLIST ───────────────────────────────────────── */
.waitlist-section {
  background: var(--bg-deep);
  text-align: center;
}

.waitlist-glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(62, 230, 193, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.waitlist-section .section-title {
  text-align: center;
}

.waitlist-section .section-label {
  text-align: center;
}

.waitlist-form-wrap {
  max-width: 640px;
  margin: 0 auto;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--secondary);
  letter-spacing: 0.05em;
}

.required {
  color: var(--teal);
}

.form-field input {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--white);
  padding: 14px 18px;
  border-radius: 14px;
  font-family: var(--font);
  font-size: 14px;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form-field input::placeholder {
  color: var(--muted);
}

.form-field input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(62, 230, 193, 0.12), var(--glow-teal);
}

.form-error {
  font-size: 13px;
  color: #ff6b6b;
  min-height: 18px;
}

.form-micro {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  margin-top: 8px;
}

/* SUCCESS */
.waitlist-success {
  max-width: 500px;
  margin: 0 auto;
  position: relative;
  text-align: center;
}

.success-burst {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.success-icon {
  font-size: 48px;
  color: var(--teal);
  margin-bottom: 16px;
  display: block;
  animation: success-pop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes success-pop {
  from {
    transform: scale(0) rotate(-20deg);
  }

  to {
    transform: scale(1) rotate(0);
  }
}

.waitlist-success h3 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
}

.waitlist-success p {
  color: var(--secondary);
  margin-bottom: 32px;
}

.referral-link-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 18px;
  margin-bottom: 16px;
}

.ref-link-text {
  flex: 1;
  font-size: 13px;
  color: var(--secondary);
  font-family: monospace;
}

.btn-copy {
  background: rgba(62, 230, 193, 0.15);
  border: 1px solid rgba(62, 230, 193, 0.3);
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-copy:hover {
  background: rgba(62, 230, 193, 0.25);
}

.btn-share {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--white);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  padding: 14px;
  border-radius: 14px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}

.btn-share:hover {
  border-color: var(--teal);
  transform: translateY(-1px);
}

.success-micro {
  font-size: 12px;
  color: var(--muted);
  margin-top: 16px;
}

/* SPINNER */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ─── FOOTER ─────────────────────────────────────────── */
.footer {
  padding: 56px 0 32px;
  border-top: 1px solid var(--border);
  background: var(--bg-deep);
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.footer-tagline {
  font-size: 13px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.footer-links a {
  font-size: 13px;
  color: var(--secondary);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
  flex-wrap: wrap;
  gap: 8px;
}

/* ─── RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-cards {
    display: none;
  }

  .hero-content {
    margin: 0 auto;
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .features-grid {
    grid-template-columns: 1fr 1fr;
  }

  .feature-wide {
    grid-column: span 2;
  }

  .founder-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .section {
    padding: 80px 0;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .feature-wide {
    grid-column: span 1;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

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