*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #0d0d0d;
  --white: #ffffff;
  --gray-50: #f9f9f7;
  --gray-100: #f2f2f0;
  --gray-200: #e4e4e0;
  --gray-400: #999993;
  --gray-600: #666660;
  --accent: #0a84ff;
  --accent-dim: #E6F1FB;
  --green: #30d158;
  --red: #ff453a;
  --font: 'DM Sans', system-ui, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--black);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* NAV */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 60px;
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.logo-mark {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: var(--black);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.logo-mark.small {
  width: 22px; height: 22px;
  border-radius: 5px;
}

.logo-text {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--black);
}

.nav-cta {
  font-size: 13px;
  font-weight: 500;
  color: var(--white);
  background: var(--black);
  padding: 8px 16px;
  border-radius: 20px;
  text-decoration: none;
  transition: opacity 0.15s;
}
.nav-cta:hover { opacity: 0.75; }

/* HERO */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 80px 24px 0;
  text-align: center;
  gap: 40px;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  max-width: 600px;
}

.hero-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-600);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  padding: 5px 14px;
  border-radius: 20px;
  letter-spacing: 0.01em;
}

.hero-heading {
  font-size: clamp(36px, 6vw, 58px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--black);
}

.hero-sub {
  font-size: 17px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--gray-600);
  max-width: 480px;
}

.btn-primary {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--white);
  background: var(--black);
  padding: 12px 24px;
  border-radius: 24px;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.15s;
}
.btn-primary:hover { opacity: 0.8; transform: translateY(-1px); }

/* DESKTOP MOCKUP */
.hero-mockup {
  width: 100%;
  max-width: 860px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.mockup-caption {
  font-size: 12px;
  color: var(--gray-400);
}

.desktop {
  width: 100%;
  aspect-ratio: 16/9;
  background: #1a2332;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.07);
  position: relative;
  overflow: hidden;
  max-height: 480px;
}

.desktop-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

.desktop-icons {
  position: absolute;
  top: 16px; left: 16px;
  display: flex; flex-direction: column; gap: 16px;
}
.d-icon { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.d-icon-box { width: 32px; height: 32px; border-radius: 6px; background: rgba(255,255,255,0.07); }
.d-icon-label { font-size: 9px; color: rgba(255,255,255,0.25); font-family: var(--font); }

.browser-win {
  position: absolute;
  top: 16px; left: 60px; right: 260px; bottom: 44px;
  background: #1c2535;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.08);
  overflow: hidden;
}
.browser-bar {
  height: 26px;
  background: #141c2a;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex; align-items: center;
  padding: 0 8px; gap: 5px;
}
.bdot { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,0.12); }
.burl { flex: 1; height: 14px; border-radius: 3px; background: rgba(255,255,255,0.06); margin: 0 6px; }
.browser-body { padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.bline { height: 6px; border-radius: 3px; background: rgba(255,255,255,0.07); }
.bblock { height: 56px; border-radius: 4px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.05); }

/* CULL WIDGET */
.cull-widget {
  position: absolute;
  bottom: 50px; right: 14px;
  width: min(240px, 36%);
  background: #ffffff;
  border-radius: 11px;
  border: 1px solid rgba(0,0,0,0.1);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.34,1.2,0.64,1);
}

.cw-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 10px 6px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.cw-title { font-size: 10px; font-weight: 500; color: #1a1a1a; font-family: var(--font); }
.cw-close { font-size: 9px; color: #bbb; cursor: pointer; }

.cw-preview {
  height: 100px;
  background: #0d2137;
  display: flex; align-items: center; justify-content: center;
  padding: 10px;
  transition: height 0.4s ease, padding 0.4s ease, opacity 0.3s ease;
  overflow: hidden;
}
.cw-preview-inner {
  width: 100%; height: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 4px;
  padding: 8px;
  display: flex; flex-direction: column; gap: 5px;
}
.cpl { height: 4px; border-radius: 2px; background: rgba(255,255,255,0.12); }
.cpb { height: 28px; border-radius: 3px; background: rgba(255,255,255,0.07); margin-top: 3px; }

.cw-meta {
  display: flex; gap: 4px; padding: 5px 8px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: height 0.3s ease, opacity 0.25s ease, padding 0.3s ease;
  overflow: hidden;
}
.cw-chip {
  font-size: 9px; color: #888;
  background: #f5f5f3; padding: 2px 5px;
  border-radius: 3px; font-family: var(--font);
  white-space: nowrap;
}

.cw-actions {
  display: grid; grid-template-columns: 1fr 1fr;
  transition: height 0.3s ease, opacity 0.25s ease;
  overflow: hidden;
}
.cwa {
  padding: 8px 8px; font-size: 9px;
  font-family: var(--font); color: #555;
  background: transparent; border: none; cursor: pointer;
  border-top: 1px solid rgba(0,0,0,0.06);
  border-right: 1px solid rgba(0,0,0,0.06);
  display: flex; align-items: center; gap: 3px;
  white-space: nowrap;
}
.cwa:nth-child(even) { border-right: none; }
.cwa.blue { color: #0a84ff; }
.cwa.green { color: #1a9e4a; }
.cwa.red { color: #e0362c; }

.cw-timer { height: 2px; background: #f0f0ee; }
.cw-timer-fill { width: 100%; height: 100%; background: #0a84ff; transition: width linear; }

/* STRIP */
.cull-strip {
  position: absolute;
  bottom: 50px; right: 14px;
  width: min(260px, 40%);
  background: #ffffff;
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,0.1);
  display: flex; align-items: center; gap: 8px;
  padding: 6px 8px;
  opacity: 0;
  transform: translateY(6px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.34,1.2,0.64,1);
  overflow: hidden;
}
.cull-strip.show { opacity: 1; transform: none; pointer-events: all; }
.cull-strip.hide { opacity: 0; transform: translateY(6px) scale(0.97); }

.strip-thumb {
  width: 44px; height: 32px; border-radius: 4px;
  background: #1e3a5f; flex-shrink: 0;
  border: 1px solid rgba(0,0,0,0.08);
}
.strip-info { flex: 1; overflow: hidden; }
.strip-name { font-size: 10px; font-weight: 500; color: #1a1a1a; font-family: var(--font); }
.strip-meta { font-size: 9px; color: #aaa; font-family: var(--font); }
.strip-actions { display: flex; gap: 3px; }
.sa {
  width: 24px; height: 24px; border-radius: 5px;
  background: #f5f5f3; border: 1px solid rgba(0,0,0,0.08);
  font-size: 10px; cursor: pointer; color: #555;
  display: flex; align-items: center; justify-content: center;
}
.sa.blue { color: #0a84ff; }
.sa.red { color: #e0362c; }
.strip-timer-fill { width: 100%; height: 100%; background: #0a84ff; transition: width linear; }

/* TASKBAR */
.taskbar {
  position: absolute;
  bottom: 0; left: 0; right: 0; height: 34px;
  background: rgba(12,18,28,0.95);
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center; gap: 5px;
}
.tb-icon { width: 24px; height: 24px; border-radius: 5px; background: rgba(255,255,255,0.07); }
.tb-icon.active { background: rgba(255,255,255,0.14); position: relative; }
.tb-icon.active::after {
  content: ''; position: absolute;
  bottom: -2px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 4px; border-radius: 50%;
  background: #0a84ff;
}
.tb-time { position: absolute; right: 12px; font-size: 10px; color: rgba(255,255,255,0.35); font-family: var(--font); }

/* FEATURES */
.features {
  padding: 100px 24px;
  background: var(--white);
}

.features-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feat {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.feat-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.feat-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--black);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.feat-desc {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.65;
  color: var(--gray-600);
}

/* HOW IT WORKS */
.how {
  padding: 80px 24px;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.section-heading {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-400);
  text-align: center;
  margin-bottom: 48px;
}

.steps {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.step {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0 24px;
}
.step:first-child { padding-left: 0; }
.step:last-child { padding-right: 0; }

.step-num {
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.step h4 {
  font-size: 15px;
  font-weight: 500;
  color: var(--black);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.step p {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--gray-600);
}

.step-divider {
  width: 1px;
  height: 60px;
  background: var(--gray-200);
  margin-top: 6px;
  flex-shrink: 0;
}

/* WAITLIST */
.waitlist {
  padding: 100px 24px;
  text-align: center;
}

.waitlist-inner {
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.waitlist-heading {
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--black);
}

.waitlist-sub {
  font-size: 15px;
  font-weight: 300;
  color: var(--gray-600);
  line-height: 1.6;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  max-width: 520px;
  margin-top: 8px;
}

.email-input {
  height: 44px;
  border: 1.5px solid var(--gray-200);
  border-radius: 22px;
  padding: 0 18px;
  font-size: 14px;
  font-family: var(--font);
  color: var(--black);
  outline: none;
  transition: border-color 0.15s;
  background: var(--white);
}
.email-input:focus { border-color: var(--black); }
.email-input::placeholder { color: var(--gray-400); }

.feedback-input {
  min-height: 108px;
  border: 1.5px solid var(--gray-200);
  border-radius: 18px;
  padding: 14px 18px;
  font-size: 14px;
  font-family: var(--font);
  color: var(--black);
  outline: none;
  transition: border-color 0.15s;
  background: var(--white);
  resize: vertical;
}
.feedback-input:focus { border-color: var(--black); }
.feedback-input::placeholder { color: var(--gray-400); }

.btn-submit {
  height: 44px;
  padding: 0 22px;
  background: var(--black);
  color: var(--white);
  border: none;
  border-radius: 22px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.15s, transform 0.15s;
  width: fit-content;
}
.btn-submit:hover { opacity: 0.8; transform: translateY(-1px); }

.waitlist-note {
  font-size: 13px;
  color: var(--gray-400);
  min-height: 20px;
}

/* FOOTER */
.footer {
  padding: 32px 24px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 100%;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
  letter-spacing: -0.02em;
}

.footer-note {
  font-size: 12px;
  color: var(--gray-400);
}

/* RESPONSIVE */
@media (max-width: 700px) {
  .features-grid { grid-template-columns: 1fr; gap: 40px; }
  .steps { flex-direction: column; gap: 32px; }
  .step-divider { width: 40px; height: 1px; margin: 0; }
  .step { padding: 0 !important; }
  .browser-win { right: 180px; }
  .cull-widget { width: 160px; }
  .cull-strip { width: 180px; }
  .hero-heading { font-size: 32px; }
  .email-input, .feedback-input, .btn-submit { width: 100%; }
  .footer { flex-direction: column; gap: 8px; text-align: center; }
}
