/* PowerRoadmap landing — Engineering Atelier, Editorial Edition */

:root {
  /* Foundation */
  --bg: #0b0c0f;
  --bg-elev: #15171c;
  --bg-panel: #101216;
  --bg-subtle: #1a1d23;
  --border: #2a2d34;
  --border-hair: rgba(255, 255, 255, 0.06);
  --text: #f0f1f3;
  --text-soft: #a1a5ad;
  --text-dim: #6b7079;
  --text-mute: #4b5057;

  /* Signature accent — used exactly once per fold */
  --accent: #818cf8;
  --accent-strong: #6366f1;
  --accent-soft: rgba(129, 140, 248, 0.16);

  /* Brand gradient — symbol-only */
  --grad-1: #7c83ff;
  --grad-2: #a78bfa;
  --grad-3: #fb7185;

  /* Type */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  /* Geometry */
  --radius: 8px;
  --radius-lg: 14px;
  --max-w: 1200px;
  --pad: clamp(20px, 5vw, 64px);
}

[data-theme='light'] {
  --bg: #fafbfc;
  --bg-elev: #ffffff;
  --bg-panel: #ffffff;
  --bg-subtle: #f4f5f7;
  --border: #d8dadf;
  --border-hair: rgba(0, 0, 0, 0.06);
  --text: #0b0c0f;
  --text-soft: #5b6068;
  --text-dim: #8b8f97;
  --text-mute: #b3b6bc;
  --accent: #4f46e5;
  --accent-strong: #4338ca;
  --accent-soft: rgba(79, 70, 229, 0.10);
}

/* Reset + base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-feature-settings: 'cv11', 'ss01', 'tnum';
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }

button { font: inherit; color: inherit; background: transparent; border: 0; padding: 0; cursor: pointer; }

h1, h2, h3, h4, h5 { margin: 0; font-weight: 600; letter-spacing: -0.025em; }
p { margin: 0; }

code, .mono { font-family: var(--font-mono); font-feature-settings: 'tnum', 'cv11'; }

kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  background: var(--bg-subtle);
  border: 1px solid var(--border-hair);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--text-soft);
  min-width: 18px;
  display: inline-flex;
  justify-content: center;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
}
.skip:focus {
  left: 16px;
  top: 16px;
  background: var(--accent);
  color: white;
  padding: 8px 12px;
  border-radius: 6px;
  z-index: 9999;
}

/* ============================================================ */
/* NAV                                                          */
/* ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px var(--pad);
  background: rgba(11, 12, 15, 0.72);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--border-hair);
}
[data-theme='light'] .nav { background: rgba(250, 251, 252, 0.78); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 15px;
}
.brand-mark { width: 22px; height: 22px; flex-shrink: 0; }
.brand-name { display: inline-block; }

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 13.5px;
  color: var(--text-soft);
}
.nav-links a {
  transition: color 140ms ease;
}
.nav-links a:hover { color: var(--text); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  color: var(--text-soft);
  transition: background 140ms ease, color 140ms ease;
}
.theme-toggle:hover { background: var(--bg-subtle); color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease, color 140ms ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--text);
  color: var(--bg);
}
.btn-primary:hover { background: var(--accent); color: white; }
.btn-ghost {
  background: var(--bg-elev);
  border-color: var(--border-hair);
  color: var(--text-soft);
}
.btn-ghost:hover {
  border-color: var(--border);
  color: var(--text);
}
.btn-lg {
  padding: 12px 22px;
  font-size: 14.5px;
  border-radius: 10px;
  font-weight: 600;
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-actions .btn:not(.btn-primary) { display: none; }
}

/* ============================================================ */
/* HERO                                                         */
/* ============================================================ */
.hero {
  position: relative;
  padding: clamp(60px, 9vw, 120px) var(--pad) clamp(48px, 6vw, 80px);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(124, 131, 255, 0.10), transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 30%, rgba(251, 113, 133, 0.06), transparent 70%);
}
[data-theme='light'] .hero-bg {
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(124, 131, 255, 0.10), transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 30%, rgba(251, 113, 133, 0.05), transparent 70%);
}

.hero-grid {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-soft);
  padding: 5px 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border-hair);
  border-radius: 999px;
  margin-bottom: 24px;
  opacity: 0;
  animation: rise 700ms ease 0ms forwards;
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.display {
  font-size: clamp(2.5rem, 6.2vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.98;
  margin: 0;
  opacity: 0;
  animation: rise 800ms ease 80ms forwards;
}
.display-italic {
  font-style: italic;
  font-weight: 400;
  color: var(--text-soft);
}

.lede {
  font-size: clamp(1.0625rem, 1.7vw, 1.25rem);
  line-height: 1.55;
  color: var(--text-soft);
  margin-top: 22px;
  max-width: 36em;
  opacity: 0;
  animation: rise 800ms ease 200ms forwards;
}

.cta-row {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
  opacity: 0;
  animation: rise 800ms ease 320ms forwards;
}

.micro {
  margin-top: 22px;
  font-size: 12.5px;
  color: var(--text-dim);
  font-feature-settings: 'tnum';
  opacity: 0;
  animation: rise 800ms ease 440ms forwards;
}

/* Hero visual */
.hero-visual {
  position: relative;
  opacity: 0;
  animation: rise 900ms ease 360ms forwards;
}

.hero-window {
  position: relative;
  background: linear-gradient(180deg, var(--bg-elev), var(--bg-panel));
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.04) inset,
    0 20px 60px -20px rgba(0, 0, 0, 0.5),
    0 50px 100px -40px rgba(0, 0, 0, 0.6);
}

.hero-window-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-hair);
  background: rgba(255, 255, 255, 0.015);
}
.hw-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--border);
  opacity: 0.7;
}
.hw-title {
  margin-left: 10px;
  font-size: 11.5px;
  color: var(--text-soft);
  font-weight: 500;
  letter-spacing: -0.01em;
}

.hero-gantt {
  display: block;
  width: 100%;
  height: auto;
}

/* Hero Gantt animations */
.bar { transform-origin: left center; }
.bar-1 { animation: drawIn 700ms ease 400ms backwards; }
.bar-2 { animation: drawIn 700ms ease 500ms backwards; }
.bar-3 { animation: drawIn 700ms ease 600ms backwards; }
.bar-active { animation: drawIn 700ms ease 700ms backwards, pulse 3.4s ease-in-out 1.4s infinite; }
.bar-5 { animation: drawIn 700ms ease 800ms backwards; }
.bar-6 { animation: drawIn 700ms ease 900ms backwards; }
.bar-7 { animation: drawIn 700ms ease 1000ms backwards; }
.milestone { animation: pop 600ms ease 1100ms backwards; }
.today-line { animation: rise 500ms ease 600ms backwards, shimmer 4s ease-in-out 2s infinite; }
.deadline { animation: rise 500ms ease 1200ms backwards; }

@keyframes drawIn {
  from { transform: scaleX(0); opacity: 0; }
  to { transform: scaleX(1); opacity: 1; }
}
@keyframes pulse {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.15); }
}
@keyframes pop {
  from { transform: scale(0.4); opacity: 0; transform-origin: 380px 131px; }
  to { transform: scale(1); opacity: 1; transform-origin: 380px 131px; }
}
@keyframes shimmer {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-visual-glow {
  position: absolute;
  inset: auto 0 -40px 0;
  height: 80px;
  background: radial-gradient(ellipse 60% 100% at 50% 0%, rgba(124, 131, 255, 0.18), transparent 70%);
  filter: blur(20px);
  pointer-events: none;
  z-index: -1;
}

/* Stats strip */
.stats {
  max-width: var(--max-w);
  margin: clamp(60px, 8vw, 96px) auto 0;
  padding: 28px 32px;
  background: var(--bg-elev);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  position: relative;
}
.stats::before {
  content: "";
  position: absolute;
  top: 0;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--accent), transparent);
  opacity: 0.5;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0 16px;
  border-left: 1px solid var(--border-hair);
}
.stat:first-child { border-left: 0; }
.stat-num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 500;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1;
}
.stat-unit {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-soft);
  margin-left: -8px;
}
.stat-label {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
@media (max-width: 720px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 12px;
  }
  .stat:nth-child(3) { border-left: 0; }
}

/* ============================================================ */
/* SECTION SCAFFOLDING                                          */
/* ============================================================ */
section { padding: clamp(72px, 10vw, 140px) var(--pad); }
section > * { max-width: var(--max-w); margin-left: auto; margin-right: auto; }

.section-head {
  margin-bottom: clamp(40px, 5vw, 64px);
  max-width: 720px;
}
.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
  font-weight: 500;
}
.kicker.centered { text-align: center; }
.section-head h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.section-sub {
  margin-top: 16px;
  color: var(--text-soft);
  font-size: 1.0625rem;
  max-width: 36em;
}

/* ============================================================ */
/* HOW IT WORKS                                                 */
/* ============================================================ */
.step-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-hair);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.step {
  padding: 28px 28px 32px;
  background: var(--bg);
  position: relative;
}
.step-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.08em;
  font-weight: 500;
}
.step h3 {
  margin-top: 14px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.step p {
  margin-top: 8px;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.55;
}
.step code, .step kbd {
  background: var(--bg-subtle);
}

@media (max-width: 900px) {
  .step-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .step-grid { grid-template-columns: 1fr; }
}

/* ============================================================ */
/* FEATURES                                                     */
/* ============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-hair);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.feature {
  padding: 28px 26px 32px;
  background: var(--bg);
  transition: background 200ms ease;
}
.feature:hover { background: var(--bg-elev); }
.feature-icon {
  color: var(--accent);
  stroke-width: 1.5;
}
.feature h3 {
  margin-top: 18px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.feature p {
  margin-top: 8px;
  color: var(--text-soft);
  font-size: 13.5px;
  line-height: 1.55;
}

@media (max-width: 900px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .feature-grid { grid-template-columns: 1fr; }
}

/* ============================================================ */
/* WHY (comparison)                                             */
/* ============================================================ */
.strike {
  text-decoration: line-through;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  color: var(--text-dim);
}
.contrast-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.contrast {
  background: var(--bg-elev);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  position: relative;
  overflow: hidden;
}
.contrast::before {
  content: "";
  position: absolute;
  inset: 0 1px auto 1px;
  top: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.05) 50%, transparent);
  pointer-events: none;
}
.contrast h4 {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.contrast-accent::before {
  background: linear-gradient(to right, transparent, var(--accent), transparent);
  height: 1px;
  opacity: 0.6;
}
.contrast-accent h4 { color: var(--accent); }
.contrast ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contrast li {
  padding-left: 18px;
  position: relative;
  font-size: 14px;
  color: var(--text);
  letter-spacing: -0.005em;
}
.contrast li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 1.5px;
  background: var(--text-dim);
}

@media (max-width: 900px) {
  .contrast-grid { grid-template-columns: 1fr; }
}

/* ============================================================ */
/* SHORTCUTS                                                    */
/* ============================================================ */
.kb-table {
  background: var(--bg-elev);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  overflow: hidden;
}
.kb-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border-hair);
  font-size: 13.5px;
  transition: background 140ms ease;
}
.kb-row:hover { background: var(--bg-subtle); }
.kb-row:nth-child(odd) { border-right: 1px solid var(--border-hair); }
.kb-row:nth-last-child(-n+2) { border-bottom: 0; }
.kb-keys {
  display: inline-flex;
  gap: 4px;
  flex-shrink: 0;
  min-width: 92px;
}
.kb-label {
  color: var(--text-soft);
}

@media (max-width: 720px) {
  .kb-table { grid-template-columns: 1fr; }
  .kb-row { border-right: 0 !important; }
}

/* ============================================================ */
/* PRICING                                                      */
/* ============================================================ */
.pricing {
  padding-bottom: clamp(72px, 10vw, 120px);
}
.pricing-card {
  background: var(--bg-elev);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-lg);
  padding: clamp(48px, 7vw, 80px) var(--pad);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.pricing-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 0%, rgba(124, 131, 255, 0.10), transparent 60%);
  pointer-events: none;
}
.pricing-head {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  margin-top: 14px;
  position: relative;
}
.gradient-word {
  background: linear-gradient(135deg, var(--grad-1), var(--grad-2) 55%, var(--grad-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
}
.pricing-sub {
  margin-top: 16px;
  color: var(--text-soft);
  font-size: 1.0625rem;
  position: relative;
}
.pricing-cta {
  margin-top: 32px;
  display: inline-flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  position: relative;
}
.pricing-cta img {
  display: block;
  height: 28px;
  border-radius: 5px;
}

/* ============================================================ */
/* FOOTER                                                       */
/* ============================================================ */
.foot {
  background: var(--bg-panel);
  border-top: 1px solid var(--border-hair);
  padding: 56px var(--pad) 36px;
}
.foot-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-hair);
}
.foot-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--text);
}
.foot-brand .brand-mark { width: 22px; height: 22px; color: var(--text-soft); }
.foot-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.foot-cols h5 {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.foot-cols a {
  display: block;
  font-size: 13px;
  color: var(--text-soft);
  padding: 4px 0;
  transition: color 140ms ease;
}
.foot-cols a:hover { color: var(--text); }

.foot-base {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-dim);
}

@media (max-width: 720px) {
  .foot-grid { grid-template-columns: 1fr; gap: 32px; }
  .foot-cols { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .foot-base { flex-direction: column; gap: 6px; }
}

/* ============================================================ */
/* MOTION RESET                                                 */
/* ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================ */
/* PRINT                                                        */
/* ============================================================ */
@media print {
  .nav, .foot, .hero-visual-glow, .pricing-card::before, .hero-bg { display: none !important; }
  body { background: white; color: black; }
  section { padding: 20px 0; }
  .display, .pricing-head, .section-head h2 { color: black; }
}