/* ============================================================
   AXON — Design System v1.0
   Padrão: Apple / iOS High-End · Dark Mode · Glassmorphism
   Genoma: Clean Code · Estrutura modular por seção
   ============================================================ */

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

:root {
  /* Cor base */
  --bg-void:        #000000;
  --bg-surface:     #0a0a0a;
  --bg-elevated:    #111111;

  /* Glassmorphism */
  --glass-bg:       rgba(255, 255, 255, 0.045);
  --glass-border:   rgba(255, 255, 255, 0.08);
  --glass-blur:     20px;
  --glass-hover:    rgba(255, 255, 255, 0.07);

  /* Acentos */
  --accent-primary: #0a84ff;   /* iOS Blue */
  --accent-glow:    rgba(10, 132, 255, 0.35);
  --accent-subtle:  rgba(10, 132, 255, 0.12);

  /* Tipografia */
  --font-sf:        'Inter', -apple-system, BlinkMacSystemFont,
                    'SF Pro Display', 'Helvetica Neue', sans-serif;

  /* Texto */
  --text-primary:   rgba(255, 255, 255, 0.95);
  --text-secondary: rgba(255, 255, 255, 0.55);
  --text-tertiary:  rgba(255, 255, 255, 0.30);

  /* Espaçamento */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 7rem;

  /* Raio */
  --radius-sm:   10px;
  --radius-md:   16px;
  --radius-lg:   24px;
  --radius-xl:   32px;
  --radius-pill: 999px;

  /* Transições */
  --ease-apple: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --dur-fast:   180ms;
  --dur-base:   320ms;
  --dur-slow:   500ms;
}

/* ── BASE ───────────────────────────────────────────────── */
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sf);
  background-color: var(--bg-void);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection {
  background: var(--accent-primary);
  color: #fff;
}

/* ── NOISE TEXTURE OVERLAY ──────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

/* ── AMBIENT GRADIENT ORBS ──────────────────────────────── */
.ambient {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  animation: drift 18s ease-in-out infinite alternate;
}

.ambient-1 {
  width: 600px; height: 600px;
  top: -200px; left: -150px;
  background: radial-gradient(circle, rgba(10, 132, 255, 0.12) 0%, transparent 70%);
  animation-delay: 0s;
}

.ambient-2 {
  width: 500px; height: 500px;
  bottom: -100px; right: -100px;
  background: radial-gradient(circle, rgba(94, 92, 230, 0.10) 0%, transparent 70%);
  animation-delay: -6s;
}

.ambient-3 {
  width: 400px; height: 400px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(10, 132, 255, 0.05) 0%, transparent 70%);
  animation-delay: -12s;
}

@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(30px, -20px) scale(1.05); }
  100% { transform: translate(-20px, 30px) scale(0.97); }
}

/* ── NAVBAR ─────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  height: 56px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  transition: background var(--dur-base) var(--ease-apple);
}

.navbar-logo {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--text-primary);
  text-decoration: none;
  text-transform: uppercase;
}

.navbar-logo span {
  color: var(--accent-primary);
}

.navbar-cta {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent-primary);
  text-decoration: none;
  padding: 7px 18px;
  border: 1px solid rgba(10, 132, 255, 0.4);
  border-radius: var(--radius-pill);
  transition: background var(--dur-fast) var(--ease-apple),
              border-color var(--dur-fast) var(--ease-apple);
}

.navbar-cta:hover {
  background: var(--accent-subtle);
  border-color: var(--accent-primary);
}

/* ── LAYOUT ─────────────────────────────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  position: relative;
  z-index: 1;
}

section {
  position: relative;
  z-index: 1;
}

/* ── HERO ───────────────────────────────────────────────── */
.hero {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px var(--space-lg) var(--space-2xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-primary);
  background: var(--accent-subtle);
  border: 1px solid rgba(10, 132, 255, 0.25);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  margin-bottom: var(--space-lg);
}

.hero-badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-primary);
  animation: pulse 2.4s ease-in-out infinite;
}

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

.hero-title {
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin-bottom: var(--space-md);
  background: linear-gradient(
    160deg,
    rgba(255,255,255,0.98) 0%,
    rgba(255,255,255,0.60) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, #0a84ff 0%, #5e5ce6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto var(--space-xl);
  line-height: 1.65;
}

.hero-sub strong {
  color: var(--text-primary);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
}

/* ── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sf);
  font-weight: 600;
  border-radius: var(--radius-pill);
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-apple),
              box-shadow var(--dur-fast) var(--ease-apple),
              background var(--dur-fast) var(--ease-apple);
  border: none;
  outline: none;
}

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

.btn-primary {
  font-size: 0.9rem;
  padding: 14px 30px;
  background: var(--accent-primary);
  color: #fff;
  box-shadow: 0 0 0 0 var(--accent-glow);
}

.btn-primary:hover {
  background: #1a8fff;
  box-shadow: 0 8px 32px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  font-size: 0.88rem;
  padding: 13px 26px;
  background: var(--glass-bg);
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: var(--glass-hover);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.15);
}

/* ── GLASS CARD ─────────────────────────────────────────── */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  transition: background var(--dur-base) var(--ease-apple),
              border-color var(--dur-base) var(--ease-apple),
              transform var(--dur-base) var(--ease-apple);
}

.glass-card:hover {
  background: var(--glass-hover);
  border-color: rgba(255,255,255,0.13);
  transform: translateY(-2px);
}

/* ── SECTION HEADER ─────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
}

/* ── PROBLEM / SOLUTION ─────────────────────────────────── */
.problem {
  padding: var(--space-2xl) 0;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

@media (max-width: 680px) {
  .problem-grid { grid-template-columns: 1fr; }
}

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

.problem-icon {
  font-size: 1.6rem;
  margin-bottom: var(--space-sm);
}

.problem-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.problem-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ── FEATURES ───────────────────────────────────────────── */
.features {
  padding: var(--space-2xl) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

@media (max-width: 780px) {
  .features-grid { grid-template-columns: 1fr; }
}

.feature-card {
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--accent-primary),
    transparent
  );
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-apple);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--accent-subtle);
  font-size: 1.3rem;
  margin-bottom: var(--space-md);
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ── METRICS ────────────────────────────────────────────── */
.metrics {
  padding: var(--space-xl) 0;
}

.metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  text-align: center;
}

@media (max-width: 580px) {
  .metrics-row { grid-template-columns: 1fr; }
}

.metric-card {
  padding: var(--space-lg) var(--space-md);
}

.metric-value {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.6) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 6px;
}

.metric-value span {
  background: linear-gradient(135deg, #0a84ff 0%, #5e5ce6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.metric-label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

/* ── WAITLIST / FORM ────────────────────────────────────── */
.waitlist {
  padding: var(--space-2xl) 0;
}

.waitlist-box {
  max-width: 520px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-xl);
  text-align: center;
}

.waitlist-box h2 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
}

.waitlist-box p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-group {
  position: relative;
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-sf);
  font-size: 0.9rem;
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-apple),
              background var(--dur-fast) var(--ease-apple);
  -webkit-appearance: none;
}

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

.form-input:focus {
  border-color: rgba(10, 132, 255, 0.6);
  background: rgba(10, 132, 255, 0.05);
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(255,255,255,0.3)' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-select option {
  background: #111;
  color: #fff;
}

.btn-submit {
  width: 100%;
  padding: 15px;
  font-size: 0.92rem;
  border-radius: var(--radius-md);
}

.form-note {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 4px;
}

.form-note a {
  color: var(--text-secondary);
  text-decoration: none;
}

.form-note a:hover {
  color: var(--text-primary);
}

/* Success State */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
}

.success-icon {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--accent-subtle);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
}

.success-title {
  font-size: 1.1rem;
  font-weight: 600;
}

.success-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ── HOW IT WORKS ───────────────────────────────────────── */
.how {
  padding: var(--space-2xl) 0;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 680px;
  margin: 0 auto;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
}

.step-number {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--accent-subtle);
  border: 1px solid rgba(10, 132, 255, 0.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-primary);
  letter-spacing: 0.04em;
}

.step-content h3 {
  font-size: 0.98rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.step-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── FOOTER ─────────────────────────────────────────────── */
.footer {
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid var(--glass-border);
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-logo {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.footer-logo span { color: var(--accent-primary); }

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.footer-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-apple);
}

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

/* ── UPLOAD / DRAG & DROP ───────────────────────────────── */
.upload-section {
  padding: var(--space-2xl) 0;
}

.upload-box {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-xl);
  text-align: center;
  cursor: pointer;
  transition: background var(--dur-base) var(--ease-apple),
              border-color var(--dur-base) var(--ease-apple),
              transform var(--dur-base) var(--ease-apple);
  border-radius: var(--radius-xl);
  user-select: none;
}

.upload-box.drag-over {
  background: rgba(10, 132, 255, 0.08);
  border-color: rgba(10, 132, 255, 0.5);
  transform: scale(1.01);
}

.upload-icon {
  width: 68px; height: 68px;
  border-radius: var(--radius-md);
  background: var(--accent-subtle);
  border: 1px solid rgba(10, 132, 255, 0.2);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--space-md);
  color: var(--accent-primary);
  transition: background var(--dur-fast) var(--ease-apple);
}

.upload-box.drag-over .upload-icon {
  background: rgba(10, 132, 255, 0.18);
}

.upload-primary {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.upload-secondary {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.upload-browse {
  font-family: var(--font-sf);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.upload-browse:hover { color: #1a8fff; }

.upload-hint {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  margin-top: var(--space-sm);
}

.upload-file-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.upload-filename {
  font-size: 1rem; font-weight: 600;
  margin-bottom: 4px; word-break: break-all;
}

.upload-filesize {
  font-size: 0.78rem; color: var(--text-secondary);
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  margin-bottom: var(--space-md);
}

.upload-cta { margin-bottom: var(--space-sm); }

.upload-reset, .upload-reset-2 {
  font-size: 0.78rem; color: var(--text-tertiary);
  background: none; border: none; cursor: pointer;
  font-family: var(--font-sf);
  display: block; margin: 6px auto 0;
  transition: color var(--dur-fast) var(--ease-apple);
}

.upload-reset:hover, .upload-reset-2:hover { color: var(--text-secondary); }

.upload-spinner {
  width: 36px; height: 36px;
  border: 2.5px solid rgba(255,255,255,0.1);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  margin: 0 auto var(--space-md);
  animation: spin 800ms linear infinite;
}

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

.result-score-wrap {
  display: inline-flex; align-items: baseline; gap: 4px; margin-bottom: 8px;
}

.result-score {
  font-size: 3.5rem; font-weight: 800; letter-spacing: -0.04em;
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.6) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result-score-max { font-size: 1.1rem; color: var(--text-tertiary); }

.result-grade {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em;
  color: var(--accent-primary); margin-bottom: var(--space-sm);
}

.result-desc {
  font-size: 0.9rem; color: var(--text-secondary);
  margin-bottom: var(--space-sm); line-height: 1.6;
}

.result-note {
  font-size: 0.75rem; color: var(--text-tertiary); margin-bottom: var(--space-sm);
}

/* ── UTILITY ────────────────────────────────────────────── */
.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;
}

/* ── RESPONSIVE TWEAKS ──────────────────────────────────── */
@media (max-width: 480px) {
  :root {
    --space-xl:  2.5rem;
    --space-2xl: 4rem;
  }

  .navbar {
    padding: 0 var(--space-sm);
  }

  .container {
    padding: 0 var(--space-sm);
  }

  .waitlist-box {
    padding: var(--space-lg) var(--space-sm);
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn { width: 100%; justify-content: center; }
}