/* ── Reset & tokens ──────────────────────────────────────────────────────── */
:root {
  --accent:        #007AFF;
  --accent-hover:  #0066d6;
  --accent-glow:   rgba(0, 122, 255, 0.25);
  --bg:            #000000;
  --bg-alt:        #0a0a0a;
  --surface:       #111111;
  --surface-2:     #1a1a1a;
  --border:        rgba(255,255,255,0.08);
  --border-hover:  rgba(255,255,255,0.16);
  --text:          #f5f5f7;
  --text-2:        #a1a1a6;
  --text-3:        #6e6e73;
  --success:       #30d158;
  --warn:          #ffd60a;
  --error:         #ff453a;
  --radius:        14px;
  --radius-sm:     8px;
  --radius-lg:     20px;
  --radius-xl:     28px;
  --shadow:        0 8px 40px rgba(0,0,0,0.6);
  --shadow-lg:     0 20px 80px rgba(0,0,0,0.8);
  --nav-height:    64px;
  --transition:    0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg:        #ffffff;
    --bg-alt:    #f5f5f7;
    --surface:   #f5f5f7;
    --surface-2: #e8e8ed;
    --border:    rgba(0,0,0,0.08);
    --border-hover: rgba(0,0,0,0.16);
    --text:      #1d1d1f;
    --text-2:    #3d3d3f;
    --text-3:    #6e6e73;
    --shadow:    0 8px 40px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 80px rgba(0,0,0,0.12);
    --accent-glow: rgba(0, 122, 255, 0.15);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 17px;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
code {
  font-family: "SF Mono", "Menlo", monospace;
  font-size: 0.875em;
  background: var(--surface-2);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ── Typography ──────────────────────────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, #5e5ce6 60%, #bf5af2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  text-decoration: none;
  border-radius: 980px;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-sm  { font-size: 0.875rem; padding: 8px 18px; }
.btn-lg  { font-size: 1rem;     padding: 14px 28px; }
.btn-xl  { font-size: 1.1rem;   padding: 18px 36px; }
.btn-block { width: 100%; }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 0 4px var(--accent-glow);
  transform: translateY(-1px);
}
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--border-hover);
  background: var(--surface-2);
}

/* ── Layout ──────────────────────────────────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 720px; }

.section { padding: 100px 0; }
.section--alt { background: var(--bg-alt); }

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 20px;
}
.section-sub {
  font-size: 1.1rem;
  color: var(--text-2);
  max-width: 500px;
  margin-bottom: 56px;
}

/* ── Navigation ──────────────────────────────────────────────────────────── */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background var(--transition), border-color var(--transition),
              backdrop-filter var(--transition), box-shadow var(--transition);
}
#nav.scrolled {
  background: rgba(0,0,0,0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 var(--border);
}
@media (prefers-color-scheme: light) {
  #nav.scrolled {
    background: rgba(255,255,255,0.72);
  }
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon {
  font-size: 1.4rem;
  line-height: 1;
  color: var(--accent);
}
.nav-logo-img {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  object-fit: cover;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 0;
  margin-left: auto;
}
.nav-links a {
  padding: 8px 16px;
  color: var(--text-2);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-cta { margin-left: 12px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 16px 24px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg);
  gap: 4px;
}
.nav-mobile a {
  padding: 12px 16px;
  color: var(--text-2);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.nav-mobile a:hover { background: var(--surface); color: var(--text); }
.nav-mobile .btn { margin-top: 12px; width: 100%; }
#nav.menu-open .nav-mobile { display: flex; }
#nav.menu-open { height: auto; }

/* ── Hero ────────────────────────────────────────────────────────────────── */
.hero {
  padding: calc(var(--nav-height) + 80px) 24px 80px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 980px;
  padding: 6px 16px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 32px;
  letter-spacing: 0.01em;
}
.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(48, 209, 88, 0.25);
  animation: pulse 2.5s ease infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(48,209,88,0.25); }
  50%       { box-shadow: 0 0 0 6px rgba(48,209,88,0.08); }
}
.hero-title {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  color: var(--text-2);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.55;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.hero-meta {
  font-size: 0.875rem;
  color: var(--text-3);
  margin-bottom: 72px;
}
.hero-app-icon {
  width: 120px;
  height: 120px;
  border-radius: 26px;
  margin: 0 auto 28px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.06);
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* ── App window mock ─────────────────────────────────────────────────────── */
.hero-window {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.03);
  overflow: hidden;
  max-width: 740px;
  margin: 0 auto;
  transform: perspective(1600px) rotateX(3deg);
  transition: transform 0.6s ease;
}
.hero-window:hover {
  transform: perspective(1600px) rotateX(0deg);
}
.hero-window-img {
  display: block;
  width: 100%;
  height: auto;
}

/* ── Screenshots gallery ─────────────────────────────────────────────────── */
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
  align-items: start;
}
.screenshots-grid figure {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.screenshots-grid img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--surface-2);
}
.screenshots-grid figcaption {
  padding: 14px 16px;
  font-size: 0.875rem;
  color: var(--text-2);
  border-top: 1px solid var(--border);
}
.window-chrome {
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green  { background: #28c840; }
.window-title {
  flex: 1;
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-3);
  margin-left: -60px;
}
.window-body {
  display: flex;
  min-height: 300px;
}
.sidebar {
  width: 200px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
  transition: background var(--transition);
}
.sidebar-item.active {
  background: var(--accent);
  color: #fff;
}
.sidebar-item:not(.active):hover { background: var(--surface-2); }
.mode-icon { font-size: 1rem; }
.content-panel {
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.panel-header {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 0 4px 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}
.app-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
}
.app-icon-mock {
  width: 32px;
  height: 32px;
  border-radius: 7px;
  flex-shrink: 0;
  opacity: 0.8;
}
.app-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.app-name   { font-size: 0.875rem; font-weight: 600; }
.app-bundle { font-size: 0.7rem; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tag-launch, .tag-quit {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 99px;
  flex-shrink: 0;
}
.tag-launch { background: rgba(48,209,88,0.15);  color: var(--success); }
.tag-quit   { background: rgba(255,69,58,0.15);   color: var(--error);   }

/* ── Trust bar ───────────────────────────────────────────────────────────── */
.trust-bar { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 24px; }
.trust-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  max-width: 900px;
  margin: 0 auto;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  padding: 8px 28px;
}
.trust-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
}

/* ── Features ────────────────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.feature-card--large { grid-column: span 3; }

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.feature-card--large {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
  background: linear-gradient(135deg, var(--surface) 0%, color-mix(in srgb, var(--accent) 6%, var(--surface)) 100%);
}
.feature-card--large .feature-icon-wrap { grid-column: 1; }
.feature-card--large h3 { grid-column: 1; }
.feature-card--large p { grid-column: 1; }

.feature-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-2);
  line-height: 1.6;
}

/* ── Steps ───────────────────────────────────────────────────────────────── */
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 640px;
}
.step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}
.step-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
  min-width: 70px;
  letter-spacing: -0.04em;
}
.step-content { padding-top: 6px; }
.step-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.step-content p { color: var(--text-2); font-size: 0.9375rem; }
.step-connector {
  width: 2px;
  height: 32px;
  background: linear-gradient(to bottom, var(--border), transparent);
  margin-left: 34px;
}

/* ── Use cases ───────────────────────────────────────────────────────────── */
.usecases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.usecase {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition);
}
.usecase:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.usecase-emoji { font-size: 2.5rem; margin-bottom: 16px; }
.usecase h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
.usecase p { font-size: 0.875rem; color: var(--text-2); line-height: 1.55; }

/* ── Pricing ─────────────────────────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 640px;
  margin-bottom: 32px;
}
.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  position: relative;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.pricing-card--featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 8px 40px var(--accent-glow);
}
.pricing-card:hover:not(.pricing-card--featured) { border-color: var(--border-hover); }
.pricing-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 99px;
  white-space: nowrap;
}
.pricing-plan { font-size: 0.875rem; font-weight: 600; color: var(--text-2); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.08em; }
.pricing-price { font-size: 3rem; font-weight: 800; letter-spacing: -0.03em; line-height: 1; margin-bottom: 4px; }
.pricing-unit { font-size: 1rem; font-weight: 500; color: var(--text-3); margin-left: 2px; letter-spacing: 0; }
.pricing-period { font-size: 0.875rem; color: var(--text-3); margin-bottom: 28px; }
.pricing-features {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pricing-features li {
  font-size: 0.9rem;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 8px;
}
.pricing-features li::before {
  content: "✓";
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
}
.pricing-note {
  font-size: 0.875rem;
  color: var(--text-3);
  text-align: center;
  max-width: 640px;
}
.pricing-note a { color: var(--accent); text-decoration: none; }
.pricing-note a:hover { text-decoration: underline; }

/* ── FAQ ─────────────────────────────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 4px; }
.faq-item {
  background: var(--surface);
  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[open] .faq-icon { transform: rotate(45deg); }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q:hover { color: var(--accent); }
.faq-icon {
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--text-3);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-a {
  padding: 0 24px 20px;
  color: var(--text-2);
  font-size: 0.9375rem;
  line-height: 1.65;
}
.faq-a a { color: var(--accent); }

/* ── CTA section ─────────────────────────────────────────────────────────── */
.cta-section {
  background: radial-gradient(ellipse 80% 80% at 50% -20%, color-mix(in srgb, var(--accent) 18%, transparent), transparent);
}
.cta-inner { text-align: center; }
.cta-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}
.cta-sub {
  font-size: 1.1rem;
  color: var(--text-2);
  margin-bottom: 40px;
}
.cta-meta {
  margin-top: 20px;
  font-size: 0.875rem;
  color: var(--text-3);
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 60px 24px 32px;
}
.footer-inner {
  display: flex;
  gap: 80px;
  max-width: 1100px;
  margin: 0 auto 48px;
}
.footer-brand {
  flex-shrink: 0;
}
.footer-brand .nav-logo {
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-3);
  max-width: 200px;
}
.footer-links {
  display: flex;
  gap: 64px;
  flex: 1;
  justify-content: flex-end;
  flex-wrap: wrap;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 0.875rem;
  color: var(--text-2);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-3);
  flex-wrap: wrap;
  gap: 8px;
}

/* ── Animations ──────────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
  .feature-card--large { grid-column: span 2; }
  .usecases-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: calc(var(--nav-height) + 48px) 24px 48px; }
  .section { padding: 64px 0; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card--large { grid-column: span 1; display: block; }
  .usecases-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 40px; }
  .footer-links { justify-content: flex-start; gap: 32px; }
  .trust-sep { display: none; }
  .trust-item { width: 50%; }
  .hero-window { transform: none; }
  .window-body { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; border-right: none; border-bottom: 1px solid var(--border); overflow-x: auto; padding: 8px; }
  .sidebar-item { white-space: nowrap; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.5rem; }
  .hero-actions { flex-direction: column; }
  .trust-item { width: 100%; }
  .steps { gap: 0; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}