/* VivaGuard Marketing Site */

:root {
  --primary: #0ea5c9;
  --primary-dark: #0891b2;
  --primary-glow: rgba(14, 165, 201, 0.35);
  --primary-subtle: rgba(14, 165, 201, 0.12);
  --success: #22c55e;
  --success-subtle: rgba(34, 197, 94, 0.15);
  --warning: #f59e0b;
  --warning-subtle: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;

  --bg: #071318;
  --bg-elevated: #0c1a22;
  --bg-card: rgba(12, 26, 34, 0.7);
  --border: rgba(148, 163, 184, 0.12);
  --border-hover: rgba(14, 165, 201, 0.35);

  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --font: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --header-h: 72px;
  --container: 1180px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

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

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

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

/* Background effects */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(14, 165, 201, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 201, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 20%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.bg-glow--1 {
  width: 600px;
  height: 600px;
  background: rgba(14, 165, 201, 0.15);
  top: -200px;
  right: -100px;
}

.bg-glow--2 {
  width: 500px;
  height: 500px;
  background: rgba(6, 182, 212, 0.08);
  bottom: 20%;
  left: -150px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 100;
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}

.header--scrolled {
  background: rgba(7, 19, 24, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 2rem;
}

.logo img {
  height: 40px;
  width: auto;
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}

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

.header__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font);
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 28px var(--primary-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn--ghost:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--primary-subtle);
}

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

/* Hero */
.hero {
  position: relative;
  z-index: 1;
  padding: calc(var(--header-h) + 4rem) 0 5rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  background: var(--primary-subtle);
  border: 1px solid rgba(14, 165, 201, 0.25);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.badge__dot {
  width: 7px;
  height: 7px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero__title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, #38bdf8 50%, #a5f3fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.trust-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

/* Dashboard mockup */
.hero__visual {
  position: relative;
}

.dashboard-mock {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.03),
    0 24px 64px rgba(0, 0, 0, 0.5),
    0 0 80px var(--primary-glow);
}

.dashboard-mock__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot--red { background: #ef4444; }
.dot--yellow { background: #f59e0b; }
.dot--green { background: #22c55e; }

.dashboard-mock__url {
  margin-left: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.dashboard-mock__body {
  padding: 1.25rem;
}

.mock-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.mock-stat {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem;
}

.mock-stat__label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-bottom: 0.25rem;
}

.mock-stat__value {
  font-size: 1.25rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.mock-stat__value small {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 400;
}

.mock-stat__value--green { color: var(--success); }
.mock-stat__value--amber { color: var(--warning); }

.mock-table {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.mock-table__head,
.mock-table__row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.7fr;
  gap: 0.5rem;
  padding: 0.6rem 0.85rem;
  font-size: 0.78rem;
}

.mock-table__head {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.65rem;
}

.mock-table__row {
  border-top: 1px solid var(--border);
  color: var(--text-muted);
}

.mock-table__row code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text);
}

.status {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 100px;
  width: fit-content;
}

.status--online {
  background: var(--success-subtle);
  color: var(--success);
}

.status--offline {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-dim);
}

.mock-alert {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.85rem;
  background: var(--warning-subtle);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: 10px;
  font-size: 0.75rem;
  color: var(--warning);
}

.mock-alert strong {
  color: var(--text);
}

.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: rgba(12, 26, 34, 0.95);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  animation: float 6s ease-in-out infinite;
}

.floating-card strong {
  display: block;
  font-size: 0.8rem;
}

.floating-card span {
  font-size: 0.7rem;
  color: var(--text-dim);
}

.floating-card--1 {
  top: -20px;
  right: -30px;
  animation-delay: 0s;
}

.floating-card--2 {
  bottom: 40px;
  left: -40px;
  animation-delay: -3s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Logos bar */
.logos-bar {
  position: relative;
  z-index: 1;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(12, 26, 34, 0.4);
}

.logos-bar__text {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
}

.logos-bar__tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.logos-bar__tags span {
  padding: 0.4rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* Sections */
section {
  position: relative;
  z-index: 1;
}

.section-header {
  margin-bottom: 3.5rem;
  max-width: 640px;
}

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

.section-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

/* Problem */
.problem {
  padding: 6rem 0;
}

.problem__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.problem-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.problem-card--bad {
  border-color: rgba(239, 68, 68, 0.15);
}

.problem-card__icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
  border-radius: 10px;
  font-weight: 700;
  margin-bottom: 1rem;
}

.problem-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Solution */
.solution {
  padding: 2rem 0 6rem;
}

.solution__inner {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  padding: 3rem;
  background: linear-gradient(135deg, var(--primary-subtle), rgba(6, 182, 212, 0.05));
  border: 1px solid rgba(14, 165, 201, 0.2);
  border-radius: var(--radius-xl);
}

.solution__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--primary-subtle);
  border: 1px solid rgba(14, 165, 201, 0.3);
  border-radius: 16px;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.solution__inner h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.25;
}

.solution__inner p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Features */
.features {
  padding: 6rem 0;
  background: linear-gradient(180deg, transparent, rgba(12, 26, 34, 0.5) 50%, transparent);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.features__grid .feature-card:last-child:nth-child(3n + 1) {
  grid-column: 2;
}

.feature-card {
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.feature-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-subtle);
  border-radius: 12px;
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.feature-card__icon svg {
  width: 22px;
  height: 22px;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* How it works */
.how {
  padding: 6rem 0;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 700px;
  margin-inline: auto;
}

.step {
  display: flex;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.step__number {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
  line-height: 1;
  padding-top: 0.15rem;
}

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

.step__content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.step__code {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 1rem;
}

.step__code code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.4rem 0.75rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--primary);
}

.step-connector {
  width: 2px;
  height: 32px;
  background: linear-gradient(var(--primary), transparent);
  margin-left: 2.6rem;
}

/* Audience */
.audience {
  padding: 6rem 0;
}

.audience__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.audience__text h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.audience__text > p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.audience__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.audience__list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.audience__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.metric-card {
  padding: 2rem;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition);
}

.metric-card:hover {
  border-color: var(--border-hover);
}

.metric-card__value {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.metric-card__label {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* CTA */
.cta {
  padding: 6rem 0;
}

.cta__box {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  padding: 3rem;
  background: linear-gradient(135deg, rgba(14, 165, 201, 0.08), rgba(12, 26, 34, 0.9));
  border: 1px solid rgba(14, 165, 201, 0.2);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.3);
}

.cta__content h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.cta__content p {
  color: var(--text-muted);
  line-height: 1.7;
}

.cta__form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font);
  font-size: 0.9rem;
  padding: 0.7rem 0.9rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-subtle);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

.form-group select {
  cursor: pointer;
}

.form-group select option {
  background: var(--bg-elevated);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-note {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-align: center;
}

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

/* FAQ */
.faq {
  padding: 6rem 0;
}

.faq__list {
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq__item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq__item[open] {
  border-color: var(--border-hover);
}

.faq__item summary {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  user-select: none;
}

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

.faq__item summary::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--primary);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq__item[open] summary::after {
  transform: rotate(45deg);
}

.faq__item p {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* Footer */
.footer {
  position: relative;
  z-index: 1;
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__brand img {
  height: 36px;
  width: auto;
  margin-bottom: 1rem;
}

.footer__brand p {
  font-size: 0.875rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.footer__links h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer__links a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--primary);
}

.footer__bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.footer__bottom p {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-align: center;
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero__visual {
    max-width: 540px;
    margin-inline: auto;
  }

  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features__grid .feature-card:last-child:nth-child(3n + 1) {
    grid-column: auto;
  }

  .features__grid .feature-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    max-width: calc(50% - 0.625rem);
    justify-self: center;
  }

  .audience__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

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

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 1.5rem;
    gap: 0;
    background: rgba(7, 19, 24, 0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

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

  .nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
  }

  .menu-toggle {
    display: flex;
  }

  .header__actions .btn--sm {
    display: none;
  }

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

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

  .features__grid .feature-card:last-child:nth-child(odd) {
    grid-column: auto;
    max-width: none;
    justify-self: stretch;
  }

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

  .floating-card--1 {
    right: 0;
    top: -10px;
  }

  .floating-card--2 {
    left: 0;
    bottom: 20px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .mock-stats {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}