/* ---------- Base ---------- */
:root,
:root[data-theme="dark"] {
  --bg-dark: #1f2329;
  --bg-darker: #15181d;
  --panel: #2a2d33;
  --panel-light: #cfd2d6;
  --text-light: #f4f5f7;
  --text-muted: #b9bdc4;
  --text-dark: #1a1d22;
  --section-mid: #2c313a;
  --section-deep: #15181d;
  --section-shade: #2a2d33;
  --card-foot: #4a4f57;
  --card-foot-strong: #5b6068;
  --card-text: #2a2d33;
  --bar-track: rgba(0,0,0,0.06);
  --bar-tile: rgba(0,0,0,0.05);
  --nav-bg: rgba(21, 24, 29, 0.7);
  --nav-border: rgba(255,255,255,0.06);
  --feature-bg: rgba(255,255,255,0.06);
  --feature-border: rgba(255,255,255,0.1);
  --feature-text: rgba(255,255,255,0.92);
  --member-border: rgba(255,255,255,0.06);
  --survey-bg-1: rgba(59,130,246,0.1);
  --survey-bg-2: rgba(233,79,90,0.08);
  --survey-tile: rgba(255,255,255,0.04);
  --survey-border: rgba(255,255,255,0.08);
  --solution-grad: linear-gradient(135deg, #1d4ed8 0%, #15181d 70%);
  --competition-grad: linear-gradient(135deg, #15181d 0%, #2a2d33 100%);
  --blue: #3b82f6;
  --blue-deep: #1d4ed8;
  --red: #e94f5a;
  --pink: #c64f8a;
  --accent: #f59e0b;
  --radius: 14px;
  --maxw: 1200px;
}

:root[data-theme="light"] {
  --bg-dark: #f4f5f7;
  --bg-darker: #e7e9ee;
  --panel: #ffffff;
  --panel-light: #ffffff;
  --text-light: #1a1d22;
  --text-muted: #4a4f57;
  --text-dark: #1a1d22;
  --section-mid: #e2e5eb;
  --section-deep: #d9dde4;
  --section-shade: #eef0f4;
  --card-foot: #4a4f57;
  --card-foot-strong: #5b6068;
  --card-text: #2a2d33;
  --bar-track: rgba(0,0,0,0.08);
  --bar-tile: rgba(0,0,0,0.04);
  --nav-bg: rgba(244, 245, 247, 0.78);
  --nav-border: rgba(0,0,0,0.08);
  --feature-bg: rgba(255,255,255,0.85);
  --feature-border: rgba(255,255,255,0.6);
  --feature-text: rgba(255,255,255,0.95);
  --member-border: rgba(0,0,0,0.08);
  --survey-bg-1: rgba(59,130,246,0.08);
  --survey-bg-2: rgba(29,78,216,0.06);
  --survey-tile: rgba(255,255,255,0.7);
  --survey-border: rgba(0,0,0,0.08);
  --solution-grad: linear-gradient(135deg, #1d4ed8 0%, #3b82f6 100%);
  --competition-grad: linear-gradient(135deg, #e7e9ee 0%, #cfd2d6 100%);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 40px;
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 100;
  border-bottom: 1px solid var(--nav-border);
  transition: background 0.3s ease, border-color 0.3s ease;
}
.nav-logo {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.5px;
}
.nav-logo span { color: var(--blue); margin-left: 4px; }
.nav-right {
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 28px;
}
.nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-light); }

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid var(--nav-border);
  color: var(--text-light);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.15s;
}
.theme-toggle:hover {
  border-color: var(--blue);
  color: var(--blue);
  transform: translateY(-1px);
}
.theme-toggle .icon {
  width: 18px;
  height: 18px;
}
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: block; }

@media (max-width: 720px) {
  .nav-links { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 32px 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1100px 700px at 70% 50%, rgba(59,130,246,0.55), transparent 60%),
    radial-gradient(700px 500px at 35% 60%, rgba(233,79,90,0.55), transparent 60%),
    radial-gradient(900px 600px at 50% 30%, rgba(198,79,138,0.35), transparent 65%),
    linear-gradient(135deg, #c8c2bd 0%, #4a6da8 100%);
  filter: blur(0.5px);
  z-index: 0;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(0,0,0,0.18) 1px, transparent 1px);
  background-size: 3px 3px;
  opacity: 0.25;
}
.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
}
.hero-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: clamp(64px, 12vw, 160px);
  line-height: 0.95;
  letter-spacing: -1px;
  text-transform: uppercase;
  color: #fff;
  text-shadow: 0 6px 40px rgba(0,0,0,0.25);
}
.hero-sub {
  margin-top: 28px;
  font-size: clamp(16px, 1.6vw, 20px);
  color: rgba(255,255,255,0.92);
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}
.hero-cta {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: transform 0.15s ease, background 0.2s, color 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: #fff;
  color: var(--text-dark);
}
.btn-primary:hover { background: var(--blue); color: #fff; }
.btn-ghost {
  border: 1.5px solid rgba(255,255,255,0.7);
  color: #fff;
}
.btn-ghost:hover { background: #fff; color: var(--text-dark); }

.scroll-cue {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(8px); }
}

/* ---------- Sections ---------- */
.section {
  padding: 110px 0;
  position: relative;
}
.section-title {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  font-size: clamp(48px, 7vw, 96px);
  line-height: 1;
  letter-spacing: -0.5px;
  margin-bottom: 50px;
  color: var(--text-light);
}
.section-title.light { color: #fff; }

/* ---------- Problem ---------- */
.section-problem {
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--section-mid) 100%);
}
.banner {
  display: inline-block;
  padding: 12px 22px;
  background: var(--panel-light);
  color: var(--text-dark);
  font-weight: 700;
  letter-spacing: 1.5px;
  font-size: 14px;
  border-radius: 4px;
  margin-bottom: 50px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.problem-card {
  background: var(--panel-light);
  color: var(--text-dark);
  padding: 28px;
  border-radius: var(--radius);
  font-style: italic;
}
.problem-card h3 {
  font-family: 'Oswald', sans-serif;
  font-style: normal;
  font-size: 22px;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  color: var(--text-dark);
  text-transform: uppercase;
}
.problem-card ul { padding-left: 20px; }
.problem-card li { margin-bottom: 6px; }
.highlight-card {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 100%);
  color: #fff;
  font-style: normal;
}
.highlight-card h3 { color: #fff; }

@media (max-width: 880px) {
  .problem-grid { grid-template-columns: 1fr; }
}

/* ---------- Solution ---------- */
.section-solution {
  background: var(--solution-grad);
}

.solution-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 60px;
}
.feature {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 18px 20px;
  border-radius: 12px;
  font-size: 15px;
  color: rgba(255,255,255,0.95);
}
.feature strong { color: #fff; }
.feature-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 7px;
  flex-shrink: 0;
  box-shadow: 0 0 12px rgba(245,158,11,0.6);
}

.solution-gallery {
  display: grid;
  grid-template-columns: 1.1fr 1.7fr 1fr;
  grid-auto-rows: 280px;
  gap: 16px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--section-shade);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 880px) {
  .solution-gallery {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 200px;
  }
}

/* ---------- Video ---------- */
.section-video {
  background: #15181d;
  padding: 90px 0;
}
.video-link-wrap {
  display: flex;
  justify-content: center;
  padding: 20px 0;
}
.video-link {
  font-size: 18px;
  padding: 16px 36px;
}

/* ---------- Market ---------- */
.section-market {
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--section-mid) 100%);
}
.market-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr 1fr;
  gap: 24px;
}
.market-card {
  background: var(--panel-light);
  color: var(--text-dark);
  padding: 32px;
  border-radius: var(--radius);
}
.stat-label {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 14px;
  color: var(--blue-deep);
  margin-bottom: 14px;
}
.stat-value {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 64px;
  line-height: 1;
  color: var(--text-dark);
  margin-bottom: 12px;
}
.stat-foot { font-size: 14px; color: var(--card-foot); }

.share-bars { display: flex; flex-direction: column; gap: 14px; margin-top: 8px; }
.bar {
  position: relative;
  height: 38px;
  background: var(--bar-track);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.bar-fill {
  position: absolute;
  inset: 0;
  width: var(--w);
  background: var(--c);
  transition: width 1s ease;
}
.bar-label {
  position: relative;
  z-index: 1;
  padding-left: 14px;
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
  letter-spacing: 0.5px;
}

.customer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 15px;
  color: var(--card-text);
  margin-top: 8px;
}
.customer-list li {
  padding: 10px 14px;
  background: var(--bar-tile);
  border-left: 3px solid var(--blue);
  border-radius: 4px;
  font-weight: 500;
}

@media (max-width: 880px) {
  .market-grid { grid-template-columns: 1fr; }
}

/* ---------- Competition ---------- */
.section-competition {
  background: var(--competition-grad);
}
.comp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.comp-card {
  background: var(--panel-light);
  color: var(--text-dark);
  padding: 32px 28px;
  border-radius: var(--radius);
  text-align: center;
}
.comp-card h3 {
  font-family: 'Oswald', sans-serif;
  font-size: 24px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.comp-cost {
  font-family: 'Oswald', sans-serif;
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 18px;
}
.comp-cost span {
  display: block;
  font-size: 12px;
  letter-spacing: 2px;
  margin-top: 6px;
  font-weight: 500;
  color: var(--card-foot-strong);
}
.comp-players { font-size: 13px; color: var(--card-foot); line-height: 1.5; }

.comp-card.us {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 100%);
  color: #fff;
  transform: scale(1.05);
  box-shadow: 0 20px 40px rgba(59,130,246,0.3);
}
.comp-card.us h3, .comp-card.us .comp-cost { color: #fff; }
.comp-card.us .comp-cost span { color: rgba(255,255,255,0.7); }
.comp-card.us .comp-players { color: rgba(255,255,255,0.9); }

@media (max-width: 880px) {
  .comp-grid { grid-template-columns: 1fr; }
  .comp-card.us { transform: none; }
}

/* ---------- Team ---------- */
.section-team {
  background: var(--bg-dark);
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}
.member {
  background: var(--panel);
  padding: 28px 20px;
  border-radius: var(--radius);
  text-align: center;
  border: 1px solid var(--member-border);
  transition: transform 0.2s, border-color 0.2s;
}
.member:hover {
  transform: translateY(-4px);
  border-color: var(--blue);
}
.avatar {
  width: 70px; height: 70px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue) 0%, var(--pink) 100%);
  display: grid;
  place-items: center;
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 24px;
  color: #fff;
  margin: 0 auto 16px;
}
.m-name { font-weight: 600; font-size: 16px; margin-bottom: 4px; }
.m-role { font-size: 13px; color: var(--text-muted); }

.survey-box {
  background: linear-gradient(135deg, var(--survey-bg-1) 0%, var(--survey-bg-2) 100%);
  border: 1px solid var(--survey-border);
  border-radius: var(--radius);
  padding: 36px;
}
.survey-box h3 {
  font-family: 'Oswald', sans-serif;
  font-size: 28px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-light);
  margin-bottom: 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.15;
}
.survey-line { display: block; }
.survey-line + .survey-line {
  font-size: 18px;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-top: 4px;
}
.survey-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.survey-stats li:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  justify-self: center;
  width: calc(50% - 10px);
}
.survey-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px;
  background: var(--survey-tile);
  border-radius: 8px;
}
.pct {
  font-family: 'Oswald', sans-serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--blue);
  line-height: 1;
}
.survey-stats li span:last-child { font-size: 13px; color: var(--text-muted); }

@media (max-width: 880px) {
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Light-mode card definition ---------- */
:root[data-theme="light"] .problem-card,
:root[data-theme="light"] .market-card,
:root[data-theme="light"] .comp-card {
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.06);
}
:root[data-theme="light"] .comp-card.us {
  border-color: transparent;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-darker);
  padding: 40px 0;
  border-top: 1px solid var(--nav-border);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  font-family: 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 18px;
}
.footer-logo span { color: var(--blue); margin-left: 4px; }
.footer-meta { font-size: 13px; color: var(--text-muted); }