:root {
  --navy: #071A33;
  --blue-deep: #0B3D91;
  --blue: #1A5BD6;
  --blue-bright: #2F7BFF;
  --blue-soft: #E8F1FF;
  --blue-mist: #F4F8FF;
  --ice: #F7FAFF;
  --white: #FFFFFF;
  --ink: #0E1C2F;
  --muted: #5A6B82;
  --line: rgba(11, 61, 145, 0.12);
  --shadow: 0 24px 60px rgba(7, 26, 51, 0.10);
  --shadow-soft: 0 10px 30px rgba(11, 61, 145, 0.08);
  --radius: 22px;
  --radius-sm: 14px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Sora", "Segoe UI", sans-serif;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(47, 123, 255, 0.16), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(11, 61, 145, 0.10), transparent 50%),
    linear-gradient(180deg, #FFFFFF 0%, var(--ice) 42%, #FFFFFF 100%);
  line-height: 1.55;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
  border: 0;
  background: none;
}

.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.ambient__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
}

.ambient__glow--a {
  width: 420px;
  height: 420px;
  background: rgba(47, 123, 255, 0.22);
  top: 12%;
  right: -80px;
  animation: drift 14s var(--ease) infinite alternate;
}

.ambient__glow--b {
  width: 360px;
  height: 360px;
  background: rgba(11, 61, 145, 0.14);
  bottom: 18%;
  left: -60px;
  animation: drift 18s var(--ease) infinite alternate-reverse;
}

.ambient__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(11, 61, 145, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 61, 145, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 85%);
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(24px, -18px, 0); }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid rgba(11, 61, 145, 0.08);
}

.nav {
  max-width: 1180px;
  margin: 0 auto;
  min-height: var(--header-h);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
}

.nav__mark {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--blue-bright), var(--blue-deep));
  box-shadow: 0 0 0 4px rgba(47, 123, 255, 0.15);
}

.nav__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.nav__menu a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav__menu a:hover {
  color: var(--blue-deep);
}

.nav__cta {
  padding: 0.65rem 1rem;
  border-radius: 999px;
  background: var(--blue-deep);
  color: var(--white) !important;
  box-shadow: var(--shadow-soft);
}

.nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  gap: 6px;
  flex-direction: column;
}

.nav__toggle span {
  width: 20px;
  height: 2px;
  background: var(--navy);
  transition: transform 0.25s var(--ease);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 48px;
  padding: 0.75rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s var(--ease), background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--white);
  color: var(--blue-deep);
  box-shadow: var(--shadow-soft);
}

.btn--soft {
  background: var(--blue-soft);
  color: var(--blue-deep);
}

.btn--soft:hover,
.btn--primary:hover {
  box-shadow: var(--shadow);
}

/* Live strip */
.live-strip {
  padding: 1.5rem 1.25rem 0.5rem;
  animation: rise 0.7s var(--ease) both;
}

.live-strip__inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.8fr 1.1fr;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: calc(var(--radius) + 4px);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.live-clock__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.55rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: rgba(11, 61, 145, 0.1);
  color: var(--blue-deep);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pill--soft {
  background: rgba(47, 123, 255, 0.12);
}

.live-clock__abbr {
  font-weight: 700;
  color: var(--blue);
}

.live-clock__time {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
}

.live-clock__date,
.live-clock__city {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.live-strip__delta {
  display: grid;
  place-content: center;
  text-align: center;
  gap: 0.35rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, var(--blue-mist), var(--blue-soft));
  border: 1px solid var(--line);
}

.delta__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 600;
}

.live-strip__delta strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--navy);
  font-weight: 600;
}

.live-strip__delta span:last-child {
  color: var(--blue);
  font-size: 0.85rem;
  font-weight: 500;
}

/* Sections */
.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 5.5rem) 1.25rem;
}

.section__head {
  max-width: 680px;
  margin-bottom: 2rem;
}

.eyebrow {
  margin: 0 0 0.65rem;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section__head h1,
.section__head h2,
.follow__copy h3,
.event-form h3,
.guide-block h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--navy);
  line-height: 1.15;
}

.section__head h1,
.section__head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
}

.section--converter {
  padding-top: clamp(2rem, 4vw, 3rem);
  padding-bottom: 1.25rem;
}

.section--timeline {
  padding-top: 0;
}

.section__sub {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

/* Converter */
.converter {
  padding: 1.35rem;
  border-radius: calc(var(--radius) + 2px);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.converter__toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.segmented {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  background: var(--blue-mist);
  border: 1px solid var(--line);
}

.segmented__btn {
  min-height: 38px;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.88rem;
}

.segmented__btn.is-active {
  background: var(--white);
  color: var(--blue-deep);
  box-shadow: 0 4px 14px rgba(11, 61, 145, 0.12);
}

.converter__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: stretch;
}

.zone-panel {
  padding: 1.15rem;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--ice), var(--white));
  border: 1px solid var(--line);
}

.zone-panel--result {
  background: linear-gradient(160deg, #0B3D91, #1A5BD6 70%, #3D8BFF);
  color: var(--white);
  border: 0;
}

.zone-panel__label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--muted);
}

.zone-panel--result .zone-panel__label {
  color: rgba(255, 255, 255, 0.78);
}

.zone-panel__fields {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0.65rem;
}

.zone-panel input[type="date"],
.zone-panel input[type="time"],
.field input,
.field select {
  width: 100%;
  min-height: 48px;
  padding: 0.65rem 0.8rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
}

.zone-panel__hint {
  margin: 0.7rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.zone-panel--result .zone-panel__hint {
  color: rgba(255, 255, 255, 0.72);
}

.zone-panel__display,
.zone-panel__result {
  margin: 0.85rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  color: var(--navy);
}

.zone-panel__result {
  margin-top: 0.2rem;
  color: var(--white);
  font-size: clamp(1.8rem, 3.4vw, 2.4rem);
}

.zone-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.zone-panel--result .btn--soft {
  background: rgba(255, 255, 255, 0.16);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.converter__swap {
  display: grid;
  place-items: center;
  gap: 0.45rem;
  align-content: center;
}

.swap-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--blue-deep);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s var(--ease);
}

.swap-btn:hover {
  transform: rotate(180deg);
}

.swap-note {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.04em;
}

.converter__insight {
  margin-top: 1rem;
  padding: 0.95rem 1.1rem;
  border-radius: var(--radius-sm);
  background: var(--blue-mist);
  color: var(--navy);
  font-weight: 500;
  border: 1px solid var(--line);
}

/* Diagram */
.section--diagram {
  max-width: none;
  padding-left: 0;
  padding-right: 0;
  background:
    linear-gradient(180deg, rgba(232, 241, 255, 0.55), rgba(255, 255, 255, 0));
}

.section--diagram .section__head,
.section--diagram .diagram {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.diagram {
  padding-top: 0;
}

.diagram__stage {
  display: grid;
  grid-template-columns: 1fr 1.1fr 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1.5rem;
  border-radius: calc(var(--radius) + 4px);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.diagram__zone {
  text-align: center;
}

.diagram__tag {
  display: inline-block;
  margin-bottom: 0.85rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
}

.diagram__clock {
  width: min(100%, 180px);
  aspect-ratio: 1;
  margin: 0 auto 0.9rem;
}

.diagram__face {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 28%, rgba(255, 255, 255, 0.95), transparent 35%),
    linear-gradient(160deg, #F4F8FF, #DCE9FF);
  border: 8px solid #E7F0FF;
  box-shadow: inset 0 0 0 1px rgba(11, 61, 145, 0.08), var(--shadow-soft);
}

.diagram__zone--central .diagram__face {
  background:
    radial-gradient(circle at 30% 28%, rgba(255, 255, 255, 0.35), transparent 35%),
    linear-gradient(160deg, #0B3D91, #2F7BFF);
  border-color: #0B3D91;
}

.diagram__hand {
  position: absolute;
  left: 50%;
  bottom: 50%;
  transform-origin: bottom center;
  border-radius: 999px;
  background: var(--navy);
  transition: transform 0.45s var(--ease);
}

.diagram__zone--central .diagram__hand {
  background: var(--white);
}

.diagram__hand--hour {
  width: 5px;
  height: 28%;
  margin-left: -2.5px;
}

.diagram__hand--minute {
  width: 3px;
  height: 38%;
  margin-left: -1.5px;
  opacity: 0.75;
}

.diagram__center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  margin: -5px 0 0 -5px;
  border-radius: 50%;
  background: var(--blue-bright);
}

.diagram__zone strong {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--navy);
}

.diagram__flow {
  text-align: center;
}

.diagram__rail {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, #B7D2FF, #0B3D91);
  overflow: hidden;
  margin-bottom: 0.85rem;
}

.diagram__traveler {
  position: absolute;
  top: -5px;
  left: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--blue-bright);
  box-shadow: 0 4px 16px rgba(11, 61, 145, 0.25);
  transition: left 0.45s var(--ease);
}

.diagram__offset {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--blue-deep);
}

.diagram__formula {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-weight: 500;
}

.diagram__controls {
  margin-top: 1.25rem;
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
}

.diagram__controls label {
  display: block;
  margin-bottom: 0.55rem;
  font-weight: 600;
  color: var(--navy);
}

.diagram__controls input[type="range"] {
  width: 100%;
  accent-color: var(--blue);
}

.diagram__presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.diagram__presets button {
  min-height: 40px;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-weight: 600;
  font-size: 0.86rem;
}

/* Timeline */
.timeline-board {
  padding: 1.15rem;
  border-radius: calc(var(--radius) + 2px);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.timeline-board__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  align-items: center;
  margin-bottom: 1rem;
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.timeline-board__selected {
  margin-left: auto;
  color: var(--blue-deep);
  font-weight: 600;
  font-size: 0.92rem;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0.5rem;
  width: 100%;
}

.hour-col {
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 0.65rem 0.25rem;
  text-align: center;
  transition: transform 0.2s var(--ease), background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
  min-width: 0;
}

.hour-col:hover,
.hour-col.is-active {
  transform: translateY(-3px);
  background: var(--white);
  border-color: rgba(26, 91, 214, 0.35);
  box-shadow: var(--shadow-soft);
}

.hour-col.is-business {
  background: linear-gradient(180deg, #EAF2FF, #F7FAFF);
}

.hour-col.is-weekend-tone {
  opacity: 0.72;
}

.hour-col__east,
.hour-col__central {
  display: block;
  font-size: clamp(0.62rem, 0.9vw, 0.74rem);
  font-weight: 700;
  line-height: 1.25;
  word-break: break-word;
}

.hour-col__east {
  color: var(--navy);
  margin-bottom: 0.45rem;
}

.hour-col__central {
  color: var(--blue);
  padding-top: 0.45rem;
  border-top: 1px dashed var(--line);
}

.hour-col__label {
  display: block;
  margin: 0.2rem 0;
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Meeting */
.meeting {
  display: grid;
  gap: 1.25rem;
}

.meeting__controls {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.85rem;
}

.field label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
}

.meeting__visual {
  display: grid;
  grid-template-rows: auto auto;
  gap: 0.65rem;
  padding: 1.1rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
}

.overlap-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 0.75rem;
  align-items: center;
}

.overlap-row span {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--muted);
}

.overlap-track {
  position: relative;
  height: 28px;
  border-radius: 999px;
  background: var(--blue-mist);
  overflow: hidden;
}

.overlap-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  border-radius: 999px;
}

.overlap-fill--east {
  background: rgba(11, 61, 145, 0.28);
}

.overlap-fill--central {
  background: rgba(47, 123, 255, 0.35);
}

.overlap-fill--both {
  background: linear-gradient(90deg, #0B3D91, #2F7BFF);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.4) inset;
}

.meeting__summary {
  margin: 0;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, rgba(11, 61, 145, 0.08), rgba(47, 123, 255, 0.08));
  border: 1px solid var(--line);
  color: var(--navy);
  font-weight: 500;
}

.meeting__slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}

.slot {
  text-align: left;
  padding: 0.95rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--white);
  border: 1px solid var(--line);
  transition: border-color 0.2s ease, transform 0.2s var(--ease), box-shadow 0.2s ease;
}

.slot:hover,
.slot.is-active {
  border-color: rgba(26, 91, 214, 0.4);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.slot strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--navy);
  margin-bottom: 0.25rem;
}

.slot span {
  color: var(--muted);
  font-size: 0.84rem;
}

.event-form {
  padding: 1.25rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
}

.event-form h3 {
  margin-bottom: 1rem;
  font-size: 1.35rem;
}

.event-form__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.4fr;
  gap: 0.85rem;
}

.event-form__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

/* Follow */
.follow {
  display: grid;
  gap: 1rem;
}

.follow__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.55rem;
}

.follow__step {
  min-height: 52px;
  padding: 0.7rem 0.85rem;
  border-radius: 14px;
  text-align: left;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.88rem;
}

.follow__step.is-active {
  background: linear-gradient(135deg, #0B3D91, #1A5BD6);
  color: var(--white);
  border-color: transparent;
  box-shadow: var(--shadow-soft);
}

.follow__stage {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: calc(var(--radius) + 2px);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  min-height: 280px;
}

.follow__visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.55), transparent 35%),
    linear-gradient(145deg, #0B3D91, #2F7BFF 55%, #A9C9FF);
  min-height: 240px;
}

.follow__scene {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  color: var(--white);
  text-align: center;
  animation: rise 0.45s var(--ease);
}

.follow__scene strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 0.4rem;
}

.follow__scene span {
  opacity: 0.9;
  font-weight: 500;
}

.follow__copy {
  display: grid;
  align-content: center;
  gap: 0.85rem;
}

.follow__copy p {
  margin: 0;
  color: var(--muted);
}

.follow__copy .btn {
  justify-self: start;
}

/* Chart */
.chart-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.chart {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

.chart th,
.chart td {
  padding: 0.9rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-variant-numeric: tabular-nums;
}

.chart th {
  background: var(--blue-mist);
  color: var(--navy);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.chart tbody tr {
  cursor: pointer;
  transition: background 0.15s ease;
}

.chart tbody tr:hover,
.chart tbody tr.is-now {
  background: rgba(47, 123, 255, 0.08);
}

.chart tbody tr.is-now td:first-child {
  box-shadow: inset 3px 0 0 var(--blue);
}

/* Guide / FAQ */
.guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.guide-block {
  padding: 1.25rem;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
}

.guide-block--wide {
  grid-column: 1 / -1;
}

.guide-block p,
.guide-block li {
  color: var(--muted);
}

.guide-block ul {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
}

.guide-block h3 {
  margin-bottom: 0.65rem;
  font-size: 1.25rem;
}

.qa {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

.qa article {
  padding: 1rem;
  border-radius: var(--radius-sm);
  background: var(--blue-mist);
}

.qa strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--navy);
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.qa p {
  margin: 0;
  font-size: 0.92rem;
}

.faq {
  display: grid;
  gap: 0.65rem;
}

.faq details {
  border-radius: var(--radius-sm);
  background: var(--white);
  border: 1px solid var(--line);
  padding: 0.15rem 1rem;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  min-height: 56px;
  display: flex;
  align-items: center;
  font-weight: 600;
  color: var(--navy);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq details[open] summary {
  color: var(--blue-deep);
}

.faq p {
  margin: 0 0 1rem;
  color: var(--muted);
}

/* Footer */
.site-footer {
  margin-top: 2rem;
  padding: 2.5rem 1.25rem 2rem;
  background: linear-gradient(180deg, transparent, rgba(232, 241, 255, 0.7));
  border-top: 1px solid var(--line);
}

.site-footer__inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  gap: 1.25rem;
}

.site-footer__tag {
  margin: 0.55rem 0 0;
  color: var(--muted);
  max-width: 36ch;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer__links a {
  color: var(--blue-deep);
  font-weight: 600;
  font-size: 0.92rem;
}

.site-footer__copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.25rem;
  transform: translateX(-50%) translateY(120%);
  z-index: 80;
  padding: 0.85rem 1.15rem;
  border-radius: 999px;
  background: var(--navy);
  color: var(--white);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: var(--shadow);
  transition: transform 0.3s var(--ease);
  pointer-events: none;
}

.toast.is-on {
  transform: translateX(-50%) translateY(0);
}

/* Responsive */
@media (max-width: 1100px) {
  .timeline {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .live-strip__inner,
  .converter__grid,
  .diagram__stage,
  .follow__stage,
  .meeting__controls,
  .event-form__grid,
  .qa {
    grid-template-columns: 1fr;
  }

  .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .converter__swap {
    padding: 0.25rem 0;
  }

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

  .timeline-board__selected {
    margin-left: 0;
    width: 100%;
  }
}

@media (max-width: 760px) {
  .nav__toggle {
    display: grid;
  }

  .nav__menu {
    position: absolute;
    top: calc(var(--header-h) - 1px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.25rem 1.1rem;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-soft);
  }

  .nav__menu.is-open {
    display: flex;
  }

  .nav__menu a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }

  .nav__cta {
    margin-top: 0.65rem;
    text-align: center;
    border-bottom: 0 !important;
  }

  .zone-panel__fields {
    grid-template-columns: 1fr;
  }

  .timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .diagram__stage {
    gap: 1.25rem;
  }
}

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