:root {
  --ink: #122033;
  --ink-soft: #3a4658;
  --ink-muted: #6a7688;
  --surface: #ffffff;
  --surface-mist: #eef2f6;
  --surface-warm: #f7f5f1;
  --accent: #3a6f8c;
  --accent-hover: #2f5d76;
  --accent-soft: #e4eff5;
  --line: #d5dee8;
  --brand-deep: #101c2e;
  --font-display: "Fraunces", "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
  --font-body: "Manrope", "PingFang SC", "Microsoft YaHei", sans-serif;
  --nav-h: 74px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

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

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

/* ---------- Nav ---------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 clamp(20px, 4vw, 64px);
  background: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px) saturate(1.2);
  transition: border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

.site-nav.is-scrolled {
  border-bottom-color: rgba(213, 222, 232, 0.9);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 30px rgba(16, 28, 46, 0.05);
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 550;
  letter-spacing: 0.12em;
  color: var(--ink);
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}

.nav-links a {
  position: relative;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-user {
  font-size: 0.88rem;
  color: var(--ink-muted);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-text-btn {
  appearance: none;
  border: none;
  background: transparent;
  padding: 0;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-muted);
  cursor: pointer;
  transition: color 0.2s ease;
}

.nav-text-btn:hover {
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 24px;
  border: none;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 650;
  font-family: inherit;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 28px rgba(58, 111, 140, 0.28);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 12px 32px rgba(58, 111, 140, 0.34);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  border: 1.5px solid var(--line);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-light {
  background: rgba(255, 255, 255, 0.14);
  color: #f7fafc;
  border: 1.5px solid rgba(255, 255, 255, 0.38);
  backdrop-filter: blur(8px);
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.24);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ink);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  min-height: calc(100svh - var(--nav-h));
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: #f7fafc;
}

.hero-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 115%;
  object-fit: cover;
  object-position: 62% 38%;
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(12, 22, 36, 0.82) 4%, rgba(12, 22, 36, 0.52) 38%, rgba(12, 22, 36, 0.22) 68%, rgba(12, 22, 36, 0.12) 100%),
    linear-gradient(to top, rgba(12, 22, 36, 0.55) 0%, transparent 42%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(100%, 760px);
  padding: clamp(56px, 12vh, 120px) clamp(20px, 4vw, 64px) clamp(72px, 12vh, 110px);
  animation: rise-in 0.85s var(--ease) both;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7.5vw, 5.2rem);
  font-weight: 550;
  letter-spacing: 0.06em;
  line-height: 1.08;
  margin-bottom: 18px;
  text-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.hero-title {
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
  color: rgba(247, 250, 252, 0.94);
}

.hero-desc {
  font-size: 1.06rem;
  line-height: 1.8;
  color: rgba(247, 250, 252, 0.76);
  max-width: 34ch;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-scroll {
  position: absolute;
  right: clamp(20px, 4vw, 64px);
  bottom: 36px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: rgba(247, 250, 252, 0.7);
}

.hero-scroll::before {
  content: "";
  width: 1px;
  height: 42px;
  background: linear-gradient(to bottom, transparent, rgba(247, 250, 252, 0.75));
  animation: scroll-line 1.8s ease-in-out infinite;
}

@keyframes scroll-line {
  0%,
  100% {
    transform: scaleY(0.45);
    opacity: 0.4;
  }
  50% {
    transform: scaleY(1);
    opacity: 1;
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Sections shared ---------- */

.section {
  padding: clamp(64px, 9vh, 104px) clamp(20px, 4vw, 64px);
  position: relative;
}

.section-inner {
  width: min(100%, 1160px);
  margin: 0 auto;
}

.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 3.8vw, 2.85rem);
  font-weight: 550;
  letter-spacing: 0.03em;
  line-height: 1.22;
  margin-bottom: 18px;
  color: var(--ink);
}

.section-lead {
  font-size: 1.08rem;
  color: var(--ink-muted);
  line-height: 1.8;
  max-width: 42ch;
}

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .preview-row.is-now,
  .ui-bars i,
  .hero-scroll::before {
    animation: none;
  }

  .ui-frame,
  .feature-row-flip .ui-frame {
    transform: none;
  }
}

.delay-1 {
  transition-delay: 0.12s;
}

.delay-2 {
  transition-delay: 0.22s;
}

/* ---------- Mission ---------- */

.section-mission {
  background:
    radial-gradient(ellipse 50% 40% at 0% 0%, rgba(58, 111, 140, 0.07), transparent 55%),
    var(--surface);
}

.mission-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
}

.mission-visual {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  box-shadow: 0 30px 70px rgba(16, 28, 46, 0.16);
}

.mission-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}

.mission-visual:hover img {
  transform: scale(1.04);
}

.mission-visual-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 22px 24px;
  background: linear-gradient(to top, rgba(10, 18, 30, 0.72), transparent);
  color: rgba(247, 250, 252, 0.9);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

.mission-body {
  margin-top: 22px;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.mission-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.mission-pillar strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 550;
  margin-bottom: 6px;
}

.mission-pillar span {
  font-size: 0.88rem;
  color: var(--ink-muted);
  line-height: 1.5;
}

/* ---------- Impact ---------- */

.section-impact {
  padding-top: 0;
  padding-bottom: clamp(64px, 10vh, 96px);
  background: var(--surface);
}

.impact-rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(135deg, #152238 0%, #243a56 55%, #2f5570 100%);
  color: #f7fafc;
  box-shadow: 0 24px 60px rgba(16, 28, 46, 0.18);
}

.impact-item {
  padding: clamp(28px, 4vw, 40px) clamp(22px, 3vw, 36px);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.impact-item:last-child {
  border-right: none;
}

.impact-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.2vw, 2.45rem);
  font-weight: 550;
  letter-spacing: 0.03em;
  margin-bottom: 10px;
}

.impact-label {
  display: block;
  font-size: 0.92rem;
  line-height: 1.6;
  color: rgba(247, 250, 252, 0.7);
}

.impact-note {
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--ink-muted);
}

/* ---------- Day flow ---------- */

.section-dayflow {
  background: var(--surface);
  padding-top: clamp(28px, 4vh, 48px);
}

.dayflow-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.dayflow-list {
  list-style: none;
  margin-top: 8px;
  border-left: 2px solid var(--line);
  padding-left: 0;
}

.dayflow-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 20px;
  padding: 22px 0 22px 28px;
  position: relative;
  border-bottom: 1px solid var(--line);
}

.dayflow-item:last-child {
  border-bottom: none;
}

.dayflow-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 30px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.dayflow-time {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 550;
  color: var(--accent);
  letter-spacing: 0.04em;
  padding-top: 2px;
}

.dayflow-body h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 550;
  margin-bottom: 8px;
}

.dayflow-body p {
  color: var(--ink-muted);
  line-height: 1.7;
  font-size: 0.98rem;
}

.dayflow-aside {
  padding: 22px;
  border-radius: 22px;
  background: linear-gradient(160deg, #152238 0%, #243a56 100%);
  color: #f7fafc;
  position: sticky;
  top: calc(var(--nav-h) + 20px);
}

.dayflow-preview {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.preview-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.86rem;
}

.preview-row em {
  font-style: normal;
  color: rgba(247, 250, 252, 0.55);
  white-space: nowrap;
}

.preview-row.is-done em {
  color: #9fd0b8;
}

.preview-row.is-now {
  background: rgba(58, 111, 140, 0.35);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  animation: pulse-soft 2.4s ease-in-out infinite;
}

.preview-row.is-now em {
  color: #d7ebf5;
}

@keyframes pulse-soft {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-2px);
  }
}

.dayflow-aside h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 550;
  margin-bottom: 12px;
}

.dayflow-aside > p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(247, 250, 252, 0.72);
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.dayflow-aside ul {
  list-style: none;
  display: grid;
  gap: 16px;
}

.dayflow-aside li strong {
  display: block;
  font-size: 0.98rem;
  margin-bottom: 4px;
}

.dayflow-aside li span {
  display: block;
  font-size: 0.88rem;
  line-height: 1.6;
  color: rgba(247, 250, 252, 0.68);
}

/* ---------- Capabilities / Feature rows ---------- */

.section-capabilities {
  background:
    linear-gradient(180deg, var(--surface-mist) 0%, #e8eef4 100%);
}

.feature-rows {
  display: grid;
  gap: clamp(48px, 8vh, 88px);
}

.feature-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.95fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.feature-row-flip {
  direction: rtl;
}

.feature-row-flip > * {
  direction: ltr;
}

.feature-index {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 550;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 14px;
}

.feature-copy h3 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.8vw, 2rem);
  font-weight: 550;
  margin-bottom: 14px;
  line-height: 1.25;
}

.feature-copy > p {
  color: var(--ink-soft);
  line-height: 1.8;
  font-size: 1.02rem;
  max-width: 38ch;
  margin-bottom: 22px;
}

.feature-points {
  list-style: none;
  display: grid;
  gap: 12px;
  max-width: 36ch;
}

.feature-points li {
  position: relative;
  padding-left: 18px;
  font-size: 0.96rem;
  color: var(--ink);
  line-height: 1.55;
}

.feature-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 1.5px;
  background: var(--accent);
}

.feature-visual {
  position: relative;
}

.feature-visual::before {
  content: "";
  position: absolute;
  inset: 18% -8% -10% 12%;
  background: radial-gradient(ellipse at center, rgba(58, 111, 140, 0.16), transparent 70%);
  z-index: 0;
  pointer-events: none;
}

/* ---------- Product UI frames ---------- */

.ui-frame {
  position: relative;
  z-index: 1;
  border-radius: 20px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(213, 222, 232, 0.95);
  box-shadow:
    0 28px 60px rgba(16, 28, 46, 0.14),
    0 2px 0 rgba(255, 255, 255, 0.8) inset;
  transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
  transition: transform 0.6s var(--ease), box-shadow 0.6s var(--ease);
}

.feature-row-flip .ui-frame {
  transform: perspective(1200px) rotateY(4deg) rotateX(2deg);
}

.feature-row:hover .ui-frame,
.modules-spotlight:hover .ui-frame {
  transform: perspective(1200px) rotateY(0deg) rotateX(0deg) translateY(-4px);
  box-shadow: 0 34px 70px rgba(16, 28, 46, 0.18);
}

.ui-chrome {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: linear-gradient(180deg, #f7fafc 0%, #eef3f7 100%);
  border-bottom: 1px solid var(--line);
}

.ui-chrome span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d5dee8;
}

.ui-chrome span:nth-child(1) {
  background: #e8b4b4;
}

.ui-chrome span:nth-child(2) {
  background: #e6d3a3;
}

.ui-chrome span:nth-child(3) {
  background: #b7d4c4;
}

.ui-chrome strong {
  margin-left: 8px;
  font-size: 0.82rem;
  font-weight: 650;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

.ui-body {
  padding: 18px;
  background:
    linear-gradient(180deg, #ffffff 0%, #f5f8fb 100%);
}

.ui-stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

.ui-stat {
  padding: 14px 12px;
  border-radius: 14px;
  background: var(--accent-soft);
}

.ui-stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--ink);
  margin-bottom: 4px;
}

.ui-stat small {
  color: var(--ink-muted);
  font-size: 0.78rem;
}

.ui-task {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  margin-bottom: 8px;
  font-size: 0.88rem;
}

.ui-task:last-child {
  margin-bottom: 0;
}

.ui-task em {
  font-style: normal;
  font-size: 0.78rem;
  color: var(--ink-muted);
  white-space: nowrap;
}

.ui-task.is-done {
  opacity: 0.72;
}

.ui-task.is-done em {
  color: #3d8f6e;
}

.ui-task.is-active {
  border-color: rgba(58, 111, 140, 0.45);
  background: rgba(228, 239, 245, 0.55);
  box-shadow: 0 0 0 3px rgba(58, 111, 140, 0.08);
}

.ui-task.is-active em {
  color: var(--accent);
  font-weight: 700;
}

.ui-week-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
}

.ui-week-head b {
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.ui-week-head strong {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.ui-bars {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  align-items: end;
  gap: 8px;
  height: 88px;
  margin-bottom: 16px;
  padding: 8px 4px 0;
}

.ui-bars i {
  display: block;
  height: var(--h);
  border-radius: 8px 8px 4px 4px;
  background: linear-gradient(180deg, #5a8eaa 0%, #3a6f8c 100%);
  opacity: 0.85;
  transform-origin: bottom;
  animation: bar-rise 0.9s var(--ease) both;
}

.ui-bars i:nth-child(2) { animation-delay: 0.05s; }
.ui-bars i:nth-child(3) { animation-delay: 0.1s; }
.ui-bars i:nth-child(4) { animation-delay: 0.15s; }
.ui-bars i:nth-child(5) { animation-delay: 0.2s; }
.ui-bars i:nth-child(6) { animation-delay: 0.25s; }
.ui-bars i:nth-child(7) { animation-delay: 0.3s; }

@keyframes bar-rise {
  from {
    transform: scaleY(0.35);
    opacity: 0.35;
  }
  to {
    transform: scaleY(1);
    opacity: 0.85;
  }
}

.ui-alert {
  padding: 12px 14px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
}

.ui-alert span {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 6px;
}

.ui-alert p {
  font-size: 0.86rem;
  color: var(--ink-soft);
  line-height: 1.55;
}

.ui-radar {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 14px;
  align-items: center;
  margin-bottom: 14px;
  padding: 8px;
  border-radius: 16px;
  background: rgba(228, 239, 245, 0.55);
}

.ui-radar svg {
  width: 96px;
  height: 96px;
}

.ui-radar b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.ui-radar small {
  color: var(--ink-muted);
  font-size: 0.78rem;
}

.ui-checklist {
  display: grid;
  gap: 8px;
}

.ui-checklist span {
  position: relative;
  padding: 10px 12px 10px 34px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.ui-checklist span::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 50%;
  width: 12px;
  height: 12px;
  margin-top: -6px;
  border-radius: 4px;
  border: 1.5px solid var(--line);
}

.ui-checklist span.is-checked {
  color: var(--ink);
}

.ui-checklist span.is-checked::before {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: inset 0 0 0 2px #fff;
}

.ui-frame-wide {
  transform: none;
}

.ui-body-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.ui-tile {
  padding: 18px 16px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--line);
}

.ui-tile small {
  display: block;
  font-size: 0.78rem;
  color: var(--ink-muted);
  margin-bottom: 8px;
}

.ui-tile b {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 550;
  color: var(--ink);
}

.ui-tile-accent {
  background: var(--accent-soft);
  border-color: rgba(58, 111, 140, 0.22);
}

/* ---------- Modules ---------- */

.section-modules {
  background: var(--surface);
}

.modules-spotlight {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  margin-bottom: clamp(40px, 6vh, 64px);
}

.modules-spotlight-body {
  margin-top: 18px;
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 38ch;
}

.module-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}

.module-list-item {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.module-list-item:nth-child(odd) {
  padding-right: 28px;
}

.module-list-item:nth-child(even) {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.module-list-item h3 {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 550;
  margin-bottom: 8px;
  color: var(--ink);
}

.module-list-item p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink-muted);
  max-width: 36ch;
}

/* ---------- Solutions ---------- */

.section-solutions {
  background: var(--surface-warm);
}

.solutions-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
}

.solution-blocks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 36px;
}

.solution-block {
  padding: 24px 22px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 20px;
}

.solution-block h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 550;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.solution-block ul {
  list-style: none;
}

.solution-block li {
  position: relative;
  padding: 10px 0 10px 16px;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.55;
  border-top: 1px solid rgba(213, 222, 232, 0.7);
}

.solution-block li:first-of-type {
  border-top: none;
}

.solution-block li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15em;
  width: 7px;
  height: 1.5px;
  background: var(--accent);
}

.solutions-visual {
  margin: 0;
  border-radius: 28px;
  overflow: hidden;
  background: #dfe7ef;
  box-shadow: 0 30px 70px rgba(16, 28, 46, 0.14);
}

.solutions-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 1.1s var(--ease);
}

.solutions-visual:hover img {
  transform: scale(1.035);
}

.solutions-visual figcaption {
  padding: 16px 20px 18px;
  font-size: 0.9rem;
  color: var(--ink-muted);
  background: rgba(255, 255, 255, 0.88);
}

/* ---------- Audience ---------- */

.section-audience {
  background:
    radial-gradient(ellipse 55% 45% at 100% 0%, rgba(58, 111, 140, 0.08), transparent 55%),
    var(--surface);
}

.audience-stage {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.audience-panel {
  position: relative;
  min-height: 280px;
  padding: 28px 24px;
  border-radius: 24px;
  overflow: hidden;
  color: #f7fafc;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  isolation: isolate;
  transition: transform 0.35s var(--ease);
}

.audience-panel:hover {
  transform: translateY(-6px);
}

.audience-panel-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.panel-elder .audience-panel-bg {
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(160, 200, 210, 0.35), transparent 55%),
    linear-gradient(160deg, #1a3144, #2d5670);
}

.panel-child .audience-panel-bg {
  background:
    radial-gradient(ellipse 70% 50% at 80% 10%, rgba(210, 190, 150, 0.28), transparent 50%),
    linear-gradient(160deg, #172636, #35556a);
}

.panel-family .audience-panel-bg {
  background:
    radial-gradient(ellipse 70% 55% at 40% 0%, rgba(140, 180, 170, 0.3), transparent 55%),
    linear-gradient(160deg, #152230, #2a4a5c);
}

.audience-panel h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 550;
  margin-bottom: 12px;
}

.audience-panel p {
  font-size: 0.96rem;
  line-height: 1.7;
  color: rgba(247, 250, 252, 0.78);
  margin-bottom: 16px;
}

.audience-panel ul {
  list-style: none;
  display: grid;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.audience-panel li {
  font-size: 0.9rem;
  color: rgba(247, 250, 252, 0.88);
  padding-left: 14px;
  position: relative;
}

.audience-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 1.5px;
  background: rgba(255, 255, 255, 0.7);
}

/* ---------- CTA ---------- */

.section-cta {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: center;
  color: #f7fafc;
  padding: clamp(88px, 12vh, 120px) clamp(20px, 4vw, 64px);
}

.cta-media,
.cta-scrim {
  position: absolute;
  inset: 0;
}

.cta-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9);
}

.cta-scrim {
  background:
    linear-gradient(115deg, rgba(10, 18, 30, 0.82) 10%, rgba(10, 18, 30, 0.55) 55%, rgba(10, 18, 30, 0.45) 100%);
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: left;
  max-width: 640px;
  margin: 0;
}

.section-cta .section-title {
  color: #f7fafc;
}

.section-cta .section-lead {
  margin-bottom: 28px;
  color: rgba(247, 250, 252, 0.76);
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 34px clamp(20px, 4vw, 64px);
  background: var(--brand-deep);
  color: rgba(247, 250, 252, 0.55);
  font-size: 0.88rem;
}

.footer-inner {
  width: min(100%, 1160px);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
}

.footer-brand {
  font-family: var(--font-display);
  color: rgba(247, 250, 252, 0.9);
  letter-spacing: 0.1em;
}

.footer-meta {
  display: grid;
  gap: 8px;
  text-align: right;
  max-width: 520px;
}

.footer-link {
  color: rgba(247, 250, 252, 0.72);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: #fff;
}

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  .nav-links,
  .nav-user {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav.is-open .nav-links {
    display: flex;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 20px 18px;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }

  .site-nav.is-open .nav-links a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .site-nav.is-open .nav-links a::after {
    display: none;
  }

  .mission-layout,
  .solutions-layout,
  .audience-stage,
  .impact-rail,
  .solution-blocks,
  .dayflow-layout,
  .feature-row,
  .feature-row-flip,
  .modules-spotlight {
    grid-template-columns: 1fr;
  }

  .feature-row-flip {
    direction: ltr;
  }

  .ui-frame,
  .feature-row-flip .ui-frame,
  .feature-row:hover .ui-frame {
    transform: none;
  }

  .module-list {
    grid-template-columns: 1fr;
  }

  .module-list-item:nth-child(odd),
  .module-list-item:nth-child(even) {
    padding-left: 0;
    padding-right: 0;
    border-left: none;
  }

  .mission-visual {
    aspect-ratio: 16 / 11;
    max-height: 420px;
  }

  .impact-item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .impact-item:last-child {
    border-bottom: none;
  }

  .dayflow-aside {
    position: static;
  }

  .dayflow-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .mission-pillars {
    grid-template-columns: 1fr;
  }

  .footer-meta {
    text-align: left;
  }

  .hero-scroll {
    display: none;
  }
}

@media (max-width: 560px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .nav-actions .nav-text-btn {
    display: none;
  }

  .ui-body-grid,
  .ui-stat-row,
  .ui-radar {
    grid-template-columns: 1fr;
  }
}