:root {
  --ink: #111111;
  --ink-soft: #222222;
  --ink-muted: #4f4b45;
  --paper: #f4f1eb;
  --card: #fffdf5;
  --card-contrast: #ffffff;
  --primary: #ff5c8a;
  --secondary: #00aeee;
  --highlight: #fee440;
  --mint: #c9ffd7;
  --sky: #c8edff;
  --lavender: #ffe1ff;
  --line: #111111;
  --shadow-offset: 6px;
  --shadow-offset-lg: 10px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --font-display: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1160px;
  --transition-speed: 160ms;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  min-height: 100vh;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(17, 17, 17, 0.04) 1px, transparent 1px),
    linear-gradient(rgba(17, 17, 17, 0.04) 1px, transparent 1px);
  background-size: 34px 34px;
  pointer-events: none;
  z-index: -2;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 14% 18%, rgba(255, 92, 138, 0.18), transparent 55%),
    radial-gradient(circle at 86% 78%, rgba(0, 174, 239, 0.16), transparent 60%);
  pointer-events: none;
  z-index: -3;
}

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

a:hover,
a:focus {
  color: var(--primary);
}

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

section {
  position: relative;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.9rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.section-lede {
  color: var(--ink-muted);
  font-size: 1.05rem;
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.logo {
  font-size: 1.8rem;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--paper);
  border-bottom: 3px solid var(--line);
  padding: 0.75rem 0;
  transition: box-shadow var(--transition-speed) ease;
}

.header--scrolled {
  box-shadow: 0 8px 0 rgba(17, 17, 17, 0.2);
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.nav-links a {
  font-weight: 600;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
  padding: 0.45rem 0.75rem;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.nav-links a:hover,
.nav-links a:focus {
  border-color: var(--line);
  background: var(--highlight);
  box-shadow: 3px 3px 0 var(--line);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--highlight);
  border: 3px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.55rem 1.15rem;
  box-shadow: 4px 4px 0 var(--line);
  color: var(--ink) !important;
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.nav-cta:hover,
.nav-cta:focus {
  transform: translate(-4px, -4px);
  box-shadow: 8px 8px 0 var(--line);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 2.1rem;
  border: 3px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--line);
  background: var(--highlight);
  color: var(--ink);
  cursor: pointer;
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.btn:hover,
.btn:focus {
  transform: translate(-4px, -4px);
  box-shadow: calc(var(--shadow-offset) + 4px) calc(var(--shadow-offset) + 4px) 0 var(--line);
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
}

.btn-secondary {
  background: var(--card);
}

.btn.disabled {
  cursor: not-allowed;
  opacity: 0.75;
  filter: grayscale(0.1);
  transform: none;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--line);
}

.btn.disabled:hover,
.btn.disabled:focus {
  transform: none;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--line);
}

/* Hero */
.hero {
  padding: 8rem 0 6rem;
  border-bottom: 3px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4rem;
  align-items: center;
}

.hero-kicker {
  display: inline-block;
  background: var(--highlight);
  border: 3px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.85rem;
  padding: 0.45rem 0.85rem;
  box-shadow: 4px 4px 0 var(--line);
  margin-bottom: 1.3rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.9rem, 5vw, 4.2rem);
  line-height: 1;
  margin: 0 0 1.5rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--ink-muted);
  margin-bottom: 2rem;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.2rem;
}

.hero-benefits {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.85rem;
  max-width: 520px;
}

.hero-benefits li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.85rem 1.1rem;
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 4px 4px 0 rgba(17, 17, 17, 0.3);
  font-weight: 600;
}

.hero-benefits li::before {
  content: '✹';
  color: var(--primary);
  font-size: 0.85rem;
  margin-right: 0.2rem;
}

.hero-media {
  position: relative;
}

.loop-window {
  background: var(--card-contrast);
  border: 4px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-offset-lg) var(--shadow-offset-lg) 0 var(--line);
  overflow: hidden;
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.loop-window:hover {
  transform: translate(-6px, -6px);
  box-shadow: calc(var(--shadow-offset-lg) + 6px) calc(var(--shadow-offset-lg) + 6px) 0 var(--line);
}

.loop-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--highlight);
  border-bottom: 3px solid var(--line);
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
}

.status-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #34d399;
  border: 3px solid var(--line);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.25);
}

.status-text {
  color: var(--ink);
}

.loop-toggle {
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.loop-body {
  padding: 1.6rem;
  display: grid;
  gap: 1.25rem;
}

.loop-preview {
  position: relative;
  border: 3px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000;
}

.loop-preview::after {
  content: 'Loop live';
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: var(--highlight);
  border: 3px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.75rem;
}

.loop-hints {
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1.15rem 1.35rem;
  color: var(--ink-muted);
  box-shadow: 4px 4px 0 rgba(17, 17, 17, 0.2);
}

.loop-hints p {
  margin: 0;
}

.loop-hints .hint-subtle {
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

.hero-floating {
  display: grid;
  gap: 1rem;
  margin-top: 2.5rem;
  max-width: 340px;
}

.floating-card {
  border: 3px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: 5px 5px 0 rgba(17, 17, 17, 0.3);
  padding: 1rem 1.2rem;
  display: grid;
  gap: 0.35rem;
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.floating-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 9px 9px 0 rgba(17, 17, 17, 0.35);
}

.floating-card--live {
  background: var(--primary);
  color: #ffffff;
}

.floating-card--calm {
  background: var(--sky);
  color: var(--ink);
}

.floating-card--shortcut {
  background: var(--highlight);
  color: var(--ink);
}

.floating-label {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
}

.floating-text {
  font-weight: 600;
  font-size: 0.95rem;
}

/* Pulse ticker */
.pulse-bar {
  padding: 1.8rem 0;
  background: var(--ink);
  color: var(--highlight);
  border-top: 3px solid var(--line);
  border-bottom: 3px solid var(--line);
  overflow: hidden;
}

.pulse-track {
  display: inline-flex;
  gap: 1.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  min-width: 200%;
  animation: marquee 26s linear infinite;
  white-space: nowrap;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Trust bar */
.trust-bar {
  padding: 3.5rem 0;
  background: var(--highlight);
  border-bottom: 3px solid var(--line);
}

.trust-grid {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.trust-grid p {
  margin: 0;
  font-weight: 700;
  font-family: var(--font-display);
}

.trust-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.trust-tags span {
  padding: 0.75rem 1.1rem;
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: 4px 4px 0 rgba(17, 17, 17, 0.3);
  font-weight: 600;
}

/* Breaks */
.breaks {
  padding: 6rem 0;
}

.break-grid {
  display: grid;
  gap: 1.8rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.break-card {
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2.1rem;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 rgba(17, 17, 17, 0.3);
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.break-card:nth-child(1) {
  background: var(--highlight);
}

.break-card:nth-child(2) {
  background: var(--sky);
}

.break-card:nth-child(3) {
  background: var(--lavender);
}

.break-card:nth-child(4) {
  background: var(--mint);
}

.break-card:hover {
  transform: translate(-6px, -6px);
  box-shadow: calc(var(--shadow-offset) + 6px) calc(var(--shadow-offset) + 6px) 0 rgba(17, 17, 17, 0.35);
}

.break-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.break-card h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
}

.break-card p {
  margin: 0;
  font-weight: 600;
  color: var(--ink-soft);
}

/* Feature showcase */
.feature-showcase {
  padding: 6rem 0;
  background: var(--card);
  border-top: 3px solid var(--line);
  border-bottom: 3px solid var(--line);
}

.feature-layout {
  display: grid;
  gap: 3rem;
}

.feature-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.6rem;
}

.feature-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.6rem;
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 5px 5px 0 rgba(17, 17, 17, 0.3);
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.feature-item:hover {
  transform: translate(-4px, -4px);
  box-shadow: 9px 9px 0 rgba(17, 17, 17, 0.35);
}

.feature-icon {
  font-size: 1.7rem;
}

.feature-intro {
  max-width: 540px;
}

/* Responsible */
.responsible {
  padding: 6rem 0;
}

.responsible-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  align-items: stretch;
}

.responsible-copy {
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2.6rem;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 rgba(17, 17, 17, 0.3);
}

.responsible-list {
  list-style: none;
  padding: 0;
  margin: 2.2rem 0 0;
  display: grid;
  gap: 1.2rem;
  color: var(--ink-soft);
  font-weight: 600;
}

.responsible-list li {
  position: relative;
  padding-left: 2.3rem;
}

.responsible-list li::before {
  content: '▣';
  position: absolute;
  left: 0;
  top: 0;
  font-size: 1.1rem;
  color: var(--primary);
}

.responsible-card {
  background: var(--secondary);
  color: #ffffff;
  border: 3px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2.6rem;
  display: grid;
  gap: 1.5rem;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 rgba(17, 17, 17, 0.3);
}

.responsible-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.95);
}

.guardrail-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.guardrail-list span {
  border: 3px solid #ffffff;
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Testimonials */
.testimonials {
  padding: 6rem 0;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.8rem;
}

.testimonial {
  margin: 0;
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2.3rem;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 rgba(17, 17, 17, 0.3);
  display: grid;
  gap: 1.5rem;
}

.testimonial blockquote {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.45;
}

.testimonial figcaption {
  font-weight: 700;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Timeline */
.timeline {
  padding: 6rem 0;
  background: var(--card);
  border-top: 3px solid var(--line);
  border-bottom: 3px solid var(--line);
}

.timeline-grid {
  display: grid;
  gap: 3rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: start;
}

.timeline-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.8rem;
}

.timeline-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.4rem;
  align-items: flex-start;
  padding: 1.8rem;
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 rgba(17, 17, 17, 0.3);
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--highlight);
  border: 3px solid var(--line);
  font-family: var(--font-display);
  font-weight: 700;
  display: grid;
  place-items: center;
}

.timeline-steps h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
}

.timeline-steps p {
  margin: 0;
  color: var(--ink-soft);
  font-weight: 600;
}

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

.faq-grid {
  display: grid;
  gap: 1.6rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.faq-item {
  background: var(--card);
  border: 3px solid var(--line);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 rgba(17, 17, 17, 0.3);
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.faq-item:hover {
  transform: translate(-4px, -4px);
  box-shadow: 9px 9px 0 rgba(17, 17, 17, 0.35);
}

.faq-item h3 {
  margin-top: 0;
  margin-bottom: 0.8rem;
  font-family: var(--font-display);
}

.faq-item p {
  margin: 0;
  color: var(--ink-soft);
  font-weight: 600;
}

/* Download */
.download {
  padding: 6rem 0 7rem;
  background: var(--highlight);
  border-top: 3px solid var(--line);
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  align-items: start;
}

.download-copy {
  display: grid;
  gap: 1.1rem;
}

.download-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.7rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.download-list li::before {
  content: '▹';
  color: var(--ink);
  margin-right: 0.4rem;
}

.download-card {
  position: relative;
  background: var(--secondary);
  color: #ffffff;
  border: 3px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2.6rem;
  display: grid;
  gap: 1.2rem;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 rgba(17, 17, 17, 0.3);
  overflow: hidden;
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.download-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at var(--pointer-x, 40%) var(--pointer-y, 40%), rgba(255, 255, 255, 0.35), transparent 65%);
  pointer-events: none;
  opacity: 0.7;
}

.download-card > * {
  position: relative;
  z-index: 1;
}

.download-card.is-highlighted,
.download-card:hover {
  transform: translate(-6px, -6px);
  box-shadow: calc(var(--shadow-offset) + 6px) calc(var(--shadow-offset) + 6px) 0 rgba(17, 17, 17, 0.35);
}

.download-note,
.download-sub {
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
}

.download-sub {
  font-size: 0.95rem;
}

/* Footer */
.footer {
  padding: 3.5rem 0 4rem;
  background: var(--ink);
  color: #ffffff;
  border-top: 3px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  align-items: start;
}

.footer-brand {
  display: grid;
  gap: 0.75rem;
}

.footer-brand .brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
}

.footer-tagline {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
}

.footer-links,
.footer-meta {
  display: grid;
  gap: 0.6rem;
}

.footer a {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.footer a:hover,
.footer a:focus {
  color: var(--highlight);
}

.footer-meta p {
  margin: 0;
}

/* Reveal animation */
.feature-item,
.break-card,
.faq-item,
.timeline-steps li,
.testimonial {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.feature-item.is-visible,
.break-card.is-visible,
.faq-item.is-visible,
.timeline-steps li.is-visible,
.testimonial.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  .hero-media {
    order: -1;
  }

  .hero {
    padding-top: 7rem;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }

  .hero-actions .btn {
    flex: 1 1 100%;
  }

  .hero-floating {
    max-width: none;
  }

  .pulse-track {
    font-size: 0.7rem;
    letter-spacing: 0.16em;
  }

  .nav-links {
    gap: 1rem;
  }
}

@media (max-width: 600px) {
  .hero-title {
    font-size: 2.4rem;
  }

  .hero-benefits li {
    font-size: 0.95rem;
  }

  .loop-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .btn {
    width: 100%;
  }

  .nav-brand {
    font-size: 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .pulse-track {
    animation: none;
  }
}