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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: #f8f9fb;
  color: #1a1a2e;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Shared Utilities ───────────────────────────────────────── */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 5rem 0;
}

/* ── Navigation ─────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 249, 251, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e8eaf0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.nav-brand {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #5b5ea6;
  text-decoration: none;
}

.nav-cta {
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: #5b5ea6;
  border: none;
  border-radius: 6px;
  padding: 0.45rem 1rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.15s ease;
}

.nav-cta:hover {
  background: #494c8f;
  transform: translateY(-1px);
}

/* ── Hero Section ────────────────────────────────────────────── */
#hero {
  padding: 7rem 0 5rem;
  text-align: center;
}

.hero-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #5b5ea6;
  background: #eeeef8;
  border-radius: 20px;
  padding: 0.3rem 0.85rem;
  margin-bottom: 1.5rem;
}

#hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #1a1a2e;
  max-width: 680px;
  margin: 0 auto 1.25rem;
}

#hero h1 span {
  color: #5b5ea6;
}

.hero-sub {
  font-size: 1.1rem;
  color: #555870;
  max-width: 540px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.btn-primary {
  display: inline-block;
  background: #5b5ea6;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 14px rgba(91, 94, 166, 0.35);
}

.btn-primary:hover {
  background: #494c8f;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(91, 94, 166, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
}

/* ── Demo Section ────────────────────────────────────────────── */
#demo {
  background: #fff;
  border-top: 1px solid #e8eaf0;
  border-bottom: 1px solid #e8eaf0;
}

#demo .container {
  text-align: center;
}

.walkthrough-lead {
  max-width: 760px;
  margin: 0 auto 2.5rem;
  font-size: 1.05rem;
  color: #5f627b;
}

.walkthrough-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.walkthrough-card {
  background: #fff;
  border: 1px solid #e3e6f0;
  border-radius: 20px;
  padding: 1.5rem;
  text-align: left;
  box-shadow: 0 12px 30px rgba(58, 76, 110, 0.08);
}

.walkthrough-card.wide {
  grid-column: span 2;
}

.walkthrough-meta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 78px;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: #eef3ff;
  color: #3f6998;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.walkthrough-card h3 {
  font-size: 1.28rem;
  line-height: 1.25;
  margin-bottom: 0.65rem;
  color: #1a1a2e;
}

.walkthrough-card p {
  color: #5d6179;
  font-size: 0.97rem;
  margin-bottom: 1.2rem;
}

.walkthrough-grid.real-shots {
  align-items: start;
}

.walkthrough-shot {
  display: block;
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: contain;
  border-radius: 18px;
  border: 1px solid #dbe2f0;
  background: #f7f9fd;
  box-shadow: 0 10px 28px rgba(38, 52, 84, 0.10);
}

.screen-frame,
.mini-screen {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #f8f9fd 0%, #edf2fb 100%);
  border: 1px solid #dbe2f0;
  border-radius: 18px;
}

.screen-frame {
  min-height: 300px;
  padding: 1.25rem;
}

.screen-header.centered {
  text-align: center;
  font-size: 2rem;
  font-weight: 800;
  color: #3f6998;
  margin-top: 0.2rem;
}

.screen-subtitle {
  text-align: center;
  color: #6e7389;
  margin-top: 0.3rem;
}

.version-chip {
  width: fit-content;
  margin: 0.35rem auto 1rem;
  color: #9aa0b5;
  font-size: 0.86rem;
}

.field-row,
.helper-line,
.progress-track,
.mini-panel,
.avatar-card,
.shop-card {
  border-radius: 12px;
}

.field-row {
  height: 46px;
  border: 1px solid #bfc8d8;
  background: rgba(255, 255, 255, 0.65);
  margin-bottom: 0.9rem;
}

.helper-line {
  height: 10px;
  background: #c6cfdd;
  opacity: 0.7;
  margin: 0.2rem 0 1rem;
}

.helper-line.short {
  width: 42%;
}

.screen-link {
  text-align: right;
  color: #4c77a8;
  font-weight: 500;
  margin-bottom: 0.65rem;
}

.cta-pill,
.ghost-pill,
.mode-chip,
.mini-chip,
.priority-chip,
.vip-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 600;
}

.cta-pill {
  min-height: 42px;
  padding: 0 1.15rem;
  background: #3f6998;
  color: #fff;
}

.cta-pill.full {
  width: 100%;
}

.appbar,
.planner-bar,
.mini-bar {
  margin: -1.25rem -1.25rem 1rem;
  background: #3f6998;
  color: #fff;
  padding: 0.8rem 1rem;
  font-weight: 700;
}

.planner-bar {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.82rem;
}

.planner-bar.compact {
  font-size: 0.78rem;
}

.vip-pill {
  width: 54px;
  height: 28px;
  border: 1px solid #f0c75e;
  color: #aa7a00;
  background: #fff8db;
  font-size: 0.8rem;
  margin-bottom: 0.8rem;
}

.progress-card {
  background: rgba(255, 255, 255, 0.78);
  border-radius: 14px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.progress-card strong {
  display: block;
  margin-bottom: 0.65rem;
  color: #1f2237;
}

.progress-track,
.timeline-progress {
  height: 10px;
  background: linear-gradient(90deg, #d4d8e2, #edf1f8);
}

.progress-label {
  margin-top: 0.55rem;
  font-size: 0.85rem;
  color: #7a7f93;
}

.mode-row,
.chip-row,
.bottom-actions,
.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.mode-chip,
.mini-chip,
.priority-chip,
.ghost-pill {
  min-height: 34px;
  padding: 0 0.9rem;
  background: #e7e9ef;
  color: #444a60;
}

.mode-chip.active,
.mini-chip.active {
  background: #3593f1;
  color: #fff;
}

.empty-state {
  min-height: 116px;
  margin: 1rem 0;
  border: 1px solid #c7cfdd;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #5f6478;
  text-align: center;
}

.empty-icon {
  font-size: 2.1rem;
  color: #51586f;
  margin-bottom: 0.35rem;
}

.empty-title {
  font-size: 1.05rem;
  font-weight: 600;
}

.empty-copy {
  font-size: 0.85rem;
  color: #7f8599;
}

.bottom-actions {
  justify-content: space-between;
  margin-top: 1rem;
}

.bottom-actions.single {
  justify-content: flex-start;
}

.ghost-pill {
  min-width: 140px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid #d8deea;
  color: #436f9f;
}

.dialog-card {
  width: min(100%, 390px);
  margin: 0 auto;
  background: rgba(247, 249, 253, 0.96);
  border: 1px solid #dce3ef;
  border-radius: 24px;
  padding: 1.25rem;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.12);
}

.dialog-title {
  font-size: 1.75rem;
  color: #2f3247;
  margin-bottom: 0.9rem;
}

.chip-row.tight {
  gap: 0.45rem;
  margin: 0.85rem 0;
}

.time-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0.85rem 0;
}

.square-chip,
.time-box {
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid #bcc5d6;
  background: #fff;
  color: #51586f;
}

.square-chip {
  width: 38px;
}

.time-box {
  min-width: 86px;
}

.priority-chip {
  min-width: 90px;
  border: 1px solid #d5d9e4;
  background: rgba(255, 255, 255, 0.74);
  color: #8a8e9f;
}

.priority-chip.medium.active {
  border-color: #f0a12a;
  background: #fff7ea;
  color: #dc8a00;
}

.dialog-actions {
  justify-content: flex-end;
  align-items: center;
  margin-top: 1rem;
}

.timeline-strip {
  display: grid;
  grid-template-columns: 1fr 1fr 0.7fr 0.9fr 2.2fr;
  gap: 0.45rem;
  margin: 1rem 0;
}

.task-block {
  min-height: 76px;
  border-radius: 12px;
  padding: 0.7rem;
  font-size: 0.86rem;
  font-weight: 600;
  color: #2c334a;
  background: #fff;
  border: 1px solid #d5dbe7;
}

.task-block.sync { border-left: 4px solid #f5a600; }
.task-block.deploy { border-left: 4px solid #ff9c30; }
.task-block.test { border-left: 4px solid #ec4d4d; }
.task-block.lunch { border-left: 4px solid #3c9cff; }
.task-block.free {
  background: #cfe5fb;
  border-color: #60a3e4;
  color: #2670bd;
  text-align: center;
}

.screen-collage {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
  gap: 1rem;
}

.mini-screen {
  min-height: 245px;
  padding: 0.9rem;
}

.mini-bar {
  margin: -0.9rem -0.9rem 0.9rem;
  padding: 0.75rem 0.9rem;
}

.mini-bar.light {
  background: #f3f5f9;
  color: #3f465d;
  border-bottom: 1px solid #dce2ee;
}

.profile-head {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #92c4f5, #6e9ecd 70%);
  border: 4px solid #e4edf8;
  margin-bottom: 0.8rem;
}

.mini-panel {
  height: 52px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid #d8deea;
  margin-bottom: 0.7rem;
}

.mini-panel.short {
  height: 40px;
}

.mini-panel.vip {
  height: 80px;
  background: linear-gradient(180deg, #eef7ff, #e4f1ff);
  border-color: #afd2f6;
}

.avatar-card {
  height: 118px;
  width: 92px;
  margin: 0 auto 0.85rem;
  background: linear-gradient(180deg, #eaf4ff, #f8fbff);
  border: 1px solid #bcd9f7;
}

.shop-tabs {
  margin-bottom: 0.9rem;
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}

.shop-card {
  min-height: 92px;
  background: #edf8ed;
  border: 2px solid #7dcf7d;
}

.shop-card.on {
  background: #e7f6e7;
  border-color: #3da84a;
}

.shop-card.faint {
  opacity: 0.55;
}
}

/* ── How It Works ────────────────────────────────────────────── */
#how-it-works {
  text-align: center;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #5b5ea6;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #1a1a2e;
  margin-bottom: 3rem;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.step-card {
  background: #fff;
  border: 1px solid #e8eaf0;
  border-radius: 14px;
  padding: 2rem 1.5rem;
  text-align: left;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.step-card:hover {
  box-shadow: 0 8px 28px rgba(91, 94, 166, 0.1);
  transform: translateY(-3px);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: #eeeef8;
  color: #5b5ea6;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 1rem;
}

.step-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 0.5rem;
}

.step-card p {
  font-size: 0.92rem;
  color: #666880;
  line-height: 1.6;
}

/* ── Why Different ───────────────────────────────────────────── */
#why-different {
  background: #1a1a2e;
  color: #fff;
  text-align: center;
}

#why-different .section-label {
  color: #9fa3d4;
}

#why-different .section-title {
  color: #fff;
  margin-bottom: 2.5rem;
}

.why-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 480px;
  margin: 0 auto;
}

.why-list li {
  font-size: 1.1rem;
  font-weight: 500;
  color: #c8caf0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.why-bullet {
  font-size: 1.1rem;
  font-weight: 700;
  color: #5b5ea6;
  flex-shrink: 0;
}

.why-list li::before {
  display: none;
}

.why-highlight {
  margin-top: 2.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.5;
}

.why-highlight span {
  color: #8b8fd4;
}

/* ── Company Section ─────────────────────────────────────────── */
#company {
  background: #fff;
  border-top: 1px solid #e8eaf0;
  border-bottom: 1px solid #e8eaf0;
  text-align: center;
}

.company-box {
  max-width: 600px;
  margin: 0 auto;
}

.company-box h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  color: #1a1a2e;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.company-box p {
  font-size: 1rem;
  color: #555870;
  line-height: 1.7;
}

/* ── CTA Section ─────────────────────────────────────────────── */
#cta {
  text-align: center;
}

.cta-box {
  background: #fff;
  border: 1px solid #e8eaf0;
  border-radius: 20px;
  padding: 3.5rem 2rem;
  max-width: 520px;
  margin: 0 auto;
  box-shadow: 0 8px 32px rgba(91, 94, 166, 0.07);
}

.cta-box .section-label {
  margin-bottom: 0.5rem;
}

.cta-box h2 {
  font-size: 1.7rem;
  font-weight: 800;
  color: #1a1a2e;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.cta-box p {
  font-size: 0.95rem;
  color: #666880;
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* ── Footer ──────────────────────────────────────────────────── */
footer {
  border-top: 1px solid #e8eaf0;
  padding: 2rem 0;
  text-align: center;
}

.footer-brand {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #5b5ea6;
  margin-bottom: 0.4rem;
}

footer p {
  font-size: 0.82rem;
  color: #aab0cc;
}

.footer-email {
  color: #8488b0;
  text-decoration: none;
}

.footer-email:hover {
  color: #5b5ea6;
  text-decoration: underline;
}

/* ── Accessibility ───────────────────────────────────────────── */
.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 ──────────────────────────────────────────────── */
@media (max-width: 680px) {
  section {
    padding: 3.5rem 0;
  }

  .walkthrough-grid,
  .screen-collage {
    grid-template-columns: 1fr;
  }

  .walkthrough-card.wide {
    grid-column: span 1;
  }

  .timeline-strip {
    grid-template-columns: 1fr 1fr;
  }

  .bottom-actions {
    justify-content: flex-start;
  }

  #hero {
    padding: 5rem 0 3.5rem;
  }

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