/* ── Design tokens ─────────────────────────────────────── */
:root {
  /* Palette — HandWiz: violet magic + amber gold */
  --color-bg:        #09090f;
  --color-surface:   #0f1018;
  --color-surface-2: #161720;
  --color-border:    #1e2031;
  --color-text:      #e2e8f0;
  --color-text-dim:  #828899;
  --color-primary:   #7c3aed;
  --color-primary-soft: rgba(124, 58, 237, 0.15);
  --color-primary-light: #a78bfa;
  --color-primary-lighter: #c4b5fd;
  --color-primary-dark:  #4c1d95;
  --color-accent:    #f59e0b;
  --color-accent-soft: rgba(245, 158, 11, 0.12);
  --color-accent-dark: #b45309;
  --color-success:   #34d399;
  --color-danger:    #f87171;

  /* Typography */
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:  'JetBrains Mono', ui-monospace, monospace;

  /* Spacing */
  --spacing-xs:  0.25rem;
  --spacing-sm:  0.5rem;
  --spacing-md:  1rem;
  --spacing-lg:  1.5rem;
  --spacing-xl:  2.5rem;
  --spacing-2xl: 4rem;

  /* Radii */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.22);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
a:hover { color: var(--color-primary); }

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

/* ── Animated background mesh ─────────────────────────── */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.bg-mesh::before,
.bg-mesh::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.35;
  animation: mesh-drift 18s ease-in-out infinite alternate;
}

.bg-mesh::before {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  top: -10%;
  right: -5%;
}

.bg-mesh::after {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  bottom: -15%;
  left: -8%;
  animation-delay: -9s;
}

@keyframes mesh-drift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(60px, -40px) scale(1.15); }
}

/* ── Utility classes ──────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--spacing-lg);
}

.page-shell {
  --page-shell-gutter: clamp(1.25rem, 6vw, 10vw);
  width: min(1500px, calc(100vw - (var(--page-shell-gutter) * 2)));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.7rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    background var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}

.btn[hidden] { display: none !important; }

.btn:active { transform: scale(0.97); }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.45);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--outline:hover {
  border-color: var(--color-text-dim);
  background: var(--color-surface);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.btn--success {
  background: var(--color-success);
  color: #05180e;
  border-color: var(--color-success);
  animation: success-glow 2s ease-in-out infinite;
}
.btn--success:hover {
  background: #6ee7b7;
  border-color: #6ee7b7;
  box-shadow: 0 0 28px rgba(52, 211, 153, 0.75);
}

@keyframes success-glow {
  0%, 100% { box-shadow: 0 0 10px rgba(52, 211, 153, 0.35); }
  50%       { box-shadow: 0 0 24px rgba(52, 211, 153, 0.75); }
}

.btn--social {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
  width: 100%;
  padding: 0.75rem 1rem;
}
.btn--social:hover {
  border-color: var(--color-text-dim);
  background: var(--color-surface-2);
}

.btn--social svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ── Form inputs ──────────────────────────────────────── */
.input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition:
    border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
}

.input::placeholder { color: var(--color-text-dim); }

.input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.input-group label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-dim);
}

/* ── Card ─────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
}

/* ── Nav ──────────────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
}

.nav__brand svg {
  color: var(--color-primary);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav__links a {
  color: var(--color-text-dim);
  font-size: 0.9375rem;
  font-weight: 500;
}
.nav__links a:hover { color: var(--color-text); }

/* ── Hero ─────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: var(--spacing-2xl) 0 var(--spacing-xl);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.3rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-lg);
}

.hero__badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-md);
}

.hero__title .gradient-text {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-dim);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--spacing-xl);
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* ── Features grid ────────────────────────────────────── */
.features {
  padding: var(--spacing-2xl) 0;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  padding: var(--spacing-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.feature-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

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

.feature-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

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

/* ── Footer ───────────────────────────────────────────── */
.footer {
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-dim);
  font-size: 0.8125rem;
}

.footer__link-btn {
  font: inherit;
  color: var(--color-accent);
  background: transparent;
  border: 0;
  cursor: pointer;
}

.footer__link-btn:hover {
  color: var(--color-primary);
}

.contact-form {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background: rgba(2, 6, 23, 0.68);
  z-index: 1100;
}

.contact-form--hidden {
  display: none;
}

.contact-form__card {
  width: min(100%, 540px);
  display: grid;
  gap: var(--spacing-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-card);
}

.contact-form__title {
  font-size: 1.25rem;
}

.contact-form__subtitle,
.contact-form__label {
  font-size: 0.875rem;
  color: var(--color-text-dim);
}

.contact-form__message {
  min-height: 120px;
  resize: vertical;
}

.contact-form__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.contact-form__status {
  min-height: 1.25rem;
  font-size: 0.8125rem;
  color: var(--color-success);
}

.contact-form__status--error {
  color: var(--color-danger);
}

/* ── Divider with text ────────────────────────────────── */
.divider {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--color-text-dim);
  font-size: 0.8125rem;
  margin: var(--spacing-lg) 0;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* ── Toast / notification ─────────────────────────────── */
.toast {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  padding: 0.75rem 1.25rem;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  box-shadow: var(--shadow-card);
  transform: translateY(120%);
  opacity: 0;
  transition:
    transform var(--duration-normal) var(--ease-out),
    opacity var(--duration-normal) var(--ease-out);
  z-index: 1000;
}

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

.toast--success { border-color: var(--color-success); color: var(--color-success); }
.toast--error   { border-color: var(--color-danger);  color: var(--color-danger); }

/* ── HW logo ─────────────────────────────────────────── */
.hw-logo {
  position: relative;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.hw-logo__letter-h {
  fill: var(--color-primary);
}

.hw-logo__letter-w {
  fill: url(#hw-gradient);
}

.hw-logo__spark {
  fill: var(--color-accent);
  animation: hw-spark-float 4s ease-in-out infinite;
}

.hw-logo__spark:nth-child(2) { animation-delay: -1.3s; }
.hw-logo__spark:nth-child(3) { animation-delay: -2.6s; }

@keyframes hw-spark-float {
  0%, 100% { opacity: 0.5; transform: translateY(0) scale(0.8); }
  50%       { opacity: 1;   transform: translateY(-2px) scale(1.1); }
}

/* Loading state — sparkles glow brighter and pulse faster */
.hw-logo--loading .hw-logo__spark {
  animation: hw-spark-loading 1.2s ease-in-out infinite;
  filter: drop-shadow(0 0 4px var(--color-accent));
}

@keyframes hw-spark-loading {
  0%, 100% { opacity: 0.6; transform: translateY(0) scale(0.9); }
  50%       { opacity: 1;   transform: translateY(-3px) scale(1.3); }
}

/* HandWiz brand name gradient */
.nav__brand-name {
  background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── Sparkle decoration ─────────────────────────────────── */
@keyframes float-sparkle {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.7; }
  50%       { transform: translateY(-6px) rotate(15deg); opacity: 1; }
}

.sparkle-icon {
  display: inline-block;
  animation: float-sparkle 3s ease-in-out infinite;
}

/* ── Limited Access banner ───────────────────────────────── */
.limited-banner {
  display: none;
  width: 100%;
  background: linear-gradient(90deg, var(--color-accent-dark), var(--color-accent));
  color: #09090f;
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.4rem var(--spacing-md);
  z-index: 999;
}

.limited-banner--visible {
  display: block;
}

@media (min-width: 1260px) {
  .page-shell {
    --page-shell-gutter: clamp(2rem, 6vw, 10vw);
  }
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 640px) {
  .nav__links { display: none; }

  .hero { padding: var(--spacing-xl) 0 var(--spacing-lg); }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }
  .hero__actions .btn { width: 100%; }

  .card { padding: var(--spacing-lg); }

  .contact-form__actions {
    flex-direction: column;
  }

  .contact-form__actions .btn {
    width: 100%;
  }
}