/* ============================================================
   BePresent App Blocker — Minimal Tech / Dark Mode
   Aesthetic: Developer tool meets wellness app
   Typography: Space Mono (display/stats) + Outfit (body)
   Palette: #0D0D0F bg, #3B82F6 accent, thin borders, grid
   ============================================================ */

/* --- Design Tokens --- */
:root {
  --color-bg: #0D0D0F;
  --color-bg-elevated: #141417;
  --color-bg-card: #1A1A1F;
  --color-bg-hover: #222228;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-accent: rgba(59, 130, 246, 0.3);
  --color-text: #E5E7EB;
  --color-text-muted: #9CA3AF;
  --color-text-dim: #6B7280;
  --color-accent: #3B82F6;
  --color-accent-glow: rgba(59, 130, 246, 0.15);
  --color-accent-hover: #60A5FA;
  --color-cta-bg: #2563EB;
  --color-cta-text: #FFFFFF;
  --color-cta-hover: #1D4ED8;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-star: #FBBF24;

  --font-display: 'Space Mono', 'Courier New', monospace;
  --font-body: 'Outfit', 'Segoe UI', sans-serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  --max-width: 720px;
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --border-radius-lg: 12px;
  --focus-ring-color: var(--color-accent);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Noise/grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.03;
  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='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

body > * {
  position: relative;
  z-index: 1;
}

/* --- Skip link (a11y) --- */
.skip-link {
  position: absolute;
  top: -60px;
  left: var(--space-4);
  z-index: 200;
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-decoration: none;
  border-radius: var(--border-radius-sm);
}
.skip-link:focus {
  top: var(--space-4);
}

/* --- Advertorial label --- */
.advertorial-label {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

/* --- Layout container --- */
.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* --- Section spacing --- */
section {
  padding-block: var(--space-16);
  border-bottom: 1px solid var(--color-border);
}
section:last-of-type {
  border-bottom: none;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  text-wrap: balance;
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.15;
}

h2 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  margin-bottom: var(--space-6);
}

h3 {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: var(--space-4);
  color: var(--color-accent);
}

p {
  margin-bottom: var(--space-5);
  color: var(--color-text);
}

strong {
  color: #FFFFFF;
  font-weight: 600;
}

/* --- Hero --- */
.hero {
  padding-block: var(--space-20) var(--space-16);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  background: radial-gradient(ellipse 80% 60% at 50% 0%, var(--color-accent-glow), transparent);
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border-accent);
  border-radius: 100px;
  background: var(--color-accent-glow);
}

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

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  margin-bottom: var(--space-6);
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--color-text-muted);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
  line-height: 1.6;
}

/* --- Trust bar --- */
.trust-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  margin-bottom: var(--space-12);
}

.trust-bar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-3);
  background: var(--color-bg-card);
  text-decoration: none;
  color: inherit;
  transition: background-color 0.2s ease;
}

.trust-bar__item:hover {
  background: var(--color-bg-hover);
}

.trust-bar__value {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  color: #FFFFFF;
  font-variant-numeric: tabular-nums;
}

.trust-bar__label {
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

/* --- Buttons / CTAs --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  border-radius: var(--border-radius);
  min-height: 48px;
  padding: var(--space-3) var(--space-8);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: var(--color-cta-bg);
  color: var(--color-cta-text);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.25);
}

.btn--primary:hover {
  background: var(--color-cta-hover);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.35);
}

.btn--secondary {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-border-accent);
}

.btn--secondary:hover {
  background: var(--color-accent-glow);
  border-color: var(--color-accent);
}

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

.btn__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* --- Content sections (rich text) --- */
.content-section {
  padding-block: var(--space-12);
}

.content-section p {
  font-size: 1.0625rem;
  line-height: 1.75;
}

.content-section h2 {
  position: relative;
  padding-left: var(--space-6);
}

.content-section h2::before {
  content: '//';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 400;
  opacity: 0.6;
}

/* --- Steps (How it works) --- */
.steps {
  display: grid;
  gap: var(--space-6);
  counter-reset: step;
}

.step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--space-5);
  padding: var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  counter-increment: step;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.step:hover {
  border-color: var(--color-border-accent);
  background: var(--color-bg-hover);
}

.step__number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--border-radius-sm);
  background: var(--color-accent-glow);
  flex-shrink: 0;
}

.step__content h3 {
  margin-bottom: var(--space-2);
  color: #FFFFFF;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 600;
}

.step__content p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.testimonial-card {
  padding: var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.testimonial-card:hover {
  border-color: var(--color-border-accent);
  transform: translateY(-2px);
}

.testimonial-card__stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-3);
  color: var(--color-star);
  font-size: 0.875rem;
}

.testimonial-card__quote {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  font-style: normal;
}

.testimonial-card__author {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-dim);
  letter-spacing: 0.03em;
}

.testimonial-card__tag {
  display: inline-block;
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--border-radius-sm);
}

/* --- Guarantee box --- */
.guarantee {
  padding: var(--space-8);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--border-radius-lg);
  position: relative;
  overflow: hidden;
}

.guarantee::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.guarantee__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.guarantee__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: var(--color-accent-glow);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--border-radius-sm);
  flex-shrink: 0;
}

.guarantee__title {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.guarantee p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* --- FAQ Accordion --- */
.faq-list {
  display: grid;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.faq-item {
  background: var(--color-bg-card);
}

.faq-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: #FFFFFF;
  text-align: left;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: background-color 0.2s ease;
}

.faq-item__trigger:hover {
  background: var(--color-bg-hover);
}

.faq-item__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-dim);
  transition: transform 0.2s ease, color 0.2s ease;
}

.faq-item[open] .faq-item__icon {
  transform: rotate(45deg);
  color: var(--color-accent);
}

.faq-item__answer {
  padding: 0 var(--space-6) var(--space-5);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* --- Final CTA section --- */
.cta-section {
  text-align: center;
  padding-block: var(--space-20);
  background: radial-gradient(ellipse 80% 50% at 50% 100%, var(--color-accent-glow), transparent);
  border-bottom: none;
}

.cta-section h2 {
  padding-left: 0;
}

.cta-section h2::before {
  display: none;
}

.cta-section__proof {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--color-text-dim);
  margin-bottom: var(--space-8);
}

.cta-section__fine {
  font-size: 0.8125rem;
  color: var(--color-text-dim);
  margin-top: var(--space-4);
  margin-bottom: 0;
}

/* --- Disqualification / callout --- */
.callout {
  padding: var(--space-6);
  background: var(--color-bg-elevated);
  border-left: 2px solid var(--color-accent);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.callout p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* --- Value math --- */
.value-math {
  padding: var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  text-align: center;
}

.value-math__number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.value-math__label {
  font-size: 0.875rem;
  color: var(--color-text-dim);
  margin-top: var(--space-1);
}

/* --- Mid-page CTA --- */
.mid-cta {
  text-align: center;
  padding-block: var(--space-10);
  border-bottom: 1px solid var(--color-border);
}

/* --- Sticky CTA --- */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  background: rgba(13, 13, 15, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.sticky-cta.visible {
  transform: translateY(0);
}

.sticky-cta .container {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- Footer --- */
.footer {
  padding-block: var(--space-8);
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.footer p {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text-dim);
  letter-spacing: 0.05em;
  margin-bottom: 0;
}

/* --- Scroll reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.revealed {
  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; }

/* --- Visually hidden (a11y) --- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Focus states --- */
:focus-visible {
  outline: 2px solid var(--focus-ring-color);
  outline-offset: 2px;
}

/* --- Tabular nums --- */
.price, .stat, [data-count] {
  font-variant-numeric: tabular-nums;
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .sticky-cta {
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* --- Mobile --- */
@media (max-width: 640px) {
  :root {
    --space-16: 48px;
    --space-20: 56px;
  }

  .container {
    padding-inline: var(--space-4);
  }

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

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

  .step {
    grid-template-columns: 40px 1fr;
    gap: var(--space-3);
    padding: var(--space-4);
  }

  .step__number {
    width: 40px;
    height: 40px;
    font-size: 0.75rem;
  }

  .hero {
    padding-block: var(--space-16) var(--space-12);
  }

  h1 {
    font-size: 1.625rem;
  }

  .guarantee {
    padding: var(--space-6);
  }

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

  .sticky-cta {
    padding: var(--space-2) var(--space-3);
  }

  .sticky-cta .btn {
    width: 100%;
    min-height: 44px;
  }
}

/* --- Tablet --- */
@media (min-width: 641px) and (max-width: 1024px) {
  .trust-bar {
    grid-template-columns: repeat(4, 1fr);
  }
}