:root {
  --tnbo-black: #050505;
  --tnbo-dark: #0d0d0f;
  --tnbo-card: #151515;
  --tnbo-card-soft: rgba(255, 255, 255, 0.05);
  --tnbo-gold: #f5a800;
  --tnbo-gold-soft: #ffc533;
  --tnbo-white: #f7f7f7;
  --tnbo-muted: #b8b8b8;
  --tnbo-border: rgba(255, 255, 255, 0.08);
  --tnbo-border-strong: rgba(255, 255, 255, 0.16);
  --tnbo-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --container: min(1120px, calc(100vw - 2rem));
  --radius-lg: 32px;
  --radius-md: 24px;
  --radius-sm: 18px;
  --heading-font: "Bahnschrift", "Arial Narrow", "Trebuchet MS", sans-serif;
  --body-font: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-width: auto;
  scrollbar-color: rgba(255, 255, 255, 0.22) #0a0a0c;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top, rgba(245, 168, 0, 0.1), transparent 30%),
    linear-gradient(180deg, #040404 0%, #070709 30%, #050505 100%);
  color: var(--tnbo-white);
  font-family: var(--body-font);
  line-height: 1.6;
}

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

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

button {
  font: inherit;
}

html::-webkit-scrollbar {
  width: 12px;
}

html::-webkit-scrollbar-track {
  background: #0a0a0c;
}

html::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0.14));
  border: 2px solid #0a0a0c;
  border-radius: 999px;
}

html::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0.2));
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.narrow {
  max-width: 760px;
  text-align: center;
}

.section {
  position: relative;
  padding: 96px 0;
}

.section-soft {
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.02), transparent);
}

.section-center {
  text-align: center;
}

.section-kicker {
  margin: 0 0 14px;
  color: var(--tnbo-gold-soft);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-heading h2,
.split-copy h2,
.partner-panel h2,
.narrow h2 {
  margin: 0 0 16px;
  font-family: var(--heading-font);
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
}

.section-heading p,
.split-copy p,
.partner-panel p,
.section-copy {
  margin: 0;
  color: var(--tnbo-muted);
  font-size: 1.05rem;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, backdrop-filter 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(5, 5, 5, 0.92);
  backdrop-filter: blur(10px);
  border-color: var(--tnbo-border);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 80px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--heading-font);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand strong {
  color: var(--tnbo-gold);
}

.brand .brand-plain {
  color: var(--tnbo-white);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.desktop-nav a,
.mobile-nav a,
.footer-links a {
  color: var(--tnbo-muted);
  transition: color 0.2s ease;
}

.desktop-nav a:hover,
.mobile-nav a:hover,
.footer-links a:hover,
.footer-email:hover {
  color: var(--tnbo-white);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: flex-end;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--tnbo-border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: var(--tnbo-white);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--tnbo-border);
  background: rgba(5, 5, 5, 0.98);
}

.mobile-nav a {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.mobile-nav.is-open {
  display: flex;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.button-solid {
  background: linear-gradient(135deg, #ffffff, #f1f1f1);
  color: #121212;
  box-shadow: 0 14px 30px rgba(255, 255, 255, 0.14);
}

.button-solid:hover {
  background: linear-gradient(135deg, #ffffff, #e8e8e8);
  box-shadow: 0 20px 40px rgba(255, 255, 255, 0.18);
}

.button-ghost,
.button-outline {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--tnbo-border);
  color: var(--tnbo-white);
}

.button-ghost:hover,
.button-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--tnbo-border-strong);
}

.button-compact {
  min-height: 44px;
  padding: 0 18px;
  font-size: 0.92rem;
}

.button-large {
  min-height: 60px;
  padding: 0 32px;
  font-size: 1rem;
}

.icon-play {
  display: inline-block;
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 12px solid currentColor;
}

.scroll-arrow {
  font-size: 1.2rem;
}

.hero-section {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-backdrop,
.hero-overlay,
.hero-glow {
  position: absolute;
  inset: 0;
}

.hero-backdrop {
  background: url("public/tnbo/hero_bg.png") center/cover no-repeat;
  transform: scale(1.02);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(5, 5, 5, 0.92) 0%, rgba(5, 5, 5, 0.78) 35%, rgba(5, 5, 5, 0.56) 100%),
    linear-gradient(180deg, rgba(5, 5, 5, 0.12), rgba(5, 5, 5, 0.84));
}

.hero-glow {
  background:
    radial-gradient(circle at 78% 28%, rgba(245, 168, 0, 0.14), transparent 24%),
    radial-gradient(circle at 22% 0%, rgba(255, 255, 255, 0.08), transparent 30%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding: 104px 0 72px;
}

.hero-copy h1 {
  margin: 0 0 20px;
  max-width: 16ch;
  font-family: var(--heading-font);
  font-size: clamp(2.05rem, 4.25vw, 3.85rem);
  line-height: 1;
  letter-spacing: 0.01em;
}

.hero-text {
  max-width: 620px;
  margin: 0 0 14px;
  color: var(--tnbo-muted);
  font-size: 1.12rem;
}

.hero-tagline {
  margin: 0 0 32px;
  color: rgba(247, 247, 247, 0.7);
  font-style: italic;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--tnbo-white);
  font-size: 0.8rem;
  font-weight: 600;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tnbo-gold-soft);
  box-shadow: 0 0 16px rgba(255, 197, 51, 0.8);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.phone-frame {
  position: relative;
}

.phone-frame::before {
  content: "";
  position: absolute;
  inset: 10% 2%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 55%);
  filter: blur(60px);
  z-index: -1;
}

.phone-frame img {
  width: min(720px, 100%);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 30px 50px rgba(0, 0, 0, 0.45));
}

.card-grid {
  display: grid;
  gap: 22px;
}

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

.feature-card,
.editorial-card,
.checklist-card,
.partner-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.025));
  border: 1px solid var(--tnbo-border);
  border-radius: var(--radius-md);
  box-shadow: var(--tnbo-shadow);
}

.feature-card {
  overflow: hidden;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.feature-card:hover,
.editorial-card:hover {
  transform: translateY(-5px);
  border-color: var(--tnbo-border-strong);
  box-shadow: 0 28px 58px rgba(0, 0, 0, 0.5);
}

.feature-copy,
.editorial-copy,
.partner-panel {
  padding: 28px;
}

.feature-media,
.editorial-media {
  height: 230px;
  background: linear-gradient(135deg, #0f0f12, #1a1a1f);
  overflow: hidden;
}

.feature-media img,
.editorial-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.feature-card:hover .feature-media img,
.editorial-card:hover .editorial-media img {
  transform: scale(1.04);
  opacity: 0.88;
}

.watch-badge svg,
.social-row svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.feature-copy h3,
.editorial-copy h3,
.site-footer h3 {
  margin: 0 0 10px;
  font-family: var(--heading-font);
  letter-spacing: 0.03em;
}

.feature-copy p,
.editorial-copy p,
.footer-brand p,
.footer-links,
.footer-bottom {
  color: var(--tnbo-muted);
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
  align-items: center;
}

.checklist-card {
  padding: 28px;
}

.checklist {
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  padding: 0 0 0 34px;
  color: var(--tnbo-white);
}

.checklist li + li {
  margin-top: 16px;
}

.checklist li::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #ffffff, #f5a800);
  box-shadow: 0 0 16px rgba(245, 168, 0, 0.35);
}

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

.editorial-card {
  overflow: hidden;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.watch-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 84px;
  height: 84px;
  margin-bottom: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: var(--tnbo-gold-soft);
}

.watch-badge svg {
  width: 30px;
  height: 30px;
}

.partner-panel {
  position: relative;
  overflow: hidden;
  text-align: center;
}

.partner-panel::before {
  content: "";
  position: absolute;
  inset: -20% auto auto 50%;
  width: 360px;
  height: 180px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(245, 168, 0, 0.12), transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}

.partner-panel > * {
  position: relative;
}

.partner-panel .button-outline,
.section-center .button-solid,
.section-download .button-solid {
  margin-top: 14px;
}

.section-download {
  text-align: center;
}

.download-glow {
  position: absolute;
  inset: auto 50% 0;
  width: min(860px, 80vw);
  height: 280px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(245, 168, 0, 0.14), transparent 70%);
  filter: blur(50px);
}

.download-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--tnbo-white);
  font-size: 0.92rem;
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid var(--tnbo-border);
  background: rgba(3, 3, 3, 0.95);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 32px;
  padding: 56px 0 36px;
}

.footer-brand p {
  margin: 14px 0 0;
  max-width: 280px;
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links li + li {
  margin-top: 10px;
}

.footer-email {
  color: var(--tnbo-white);
}

.social-row {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}

.social-row a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--tnbo-border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: var(--tnbo-muted);
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.social-row a:hover {
  color: var(--tnbo-white);
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--tnbo-border-strong);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0 30px;
  border-top: 1px solid var(--tnbo-border);
  font-size: 0.88rem;
}

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

  .feature-grid,
  .editorial-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-copy {
    order: 2;
  }

  .hero-visual {
    order: 1;
  }

  .hero-copy h1 {
    max-width: 100%;
    font-size: clamp(1.95rem, 6.8vw, 2.9rem);
    line-height: 1.02;
  }

  .footer-brand p {
    max-width: none;
  }
}

@media (max-width: 760px) {
  .section {
    padding: 76px 0;
  }

  .header-inner {
    min-height: 72px;
  }

  .desktop-nav,
  .header-actions .button-compact {
    display: none;
  }

  .menu-toggle {
    display: inline-block;
  }

  .hero-grid {
    gap: 28px;
    padding: 84px 0 52px;
  }

  .hero-actions,
  .footer-bottom {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .button-large {
    width: 100%;
  }

  .feature-grid,
  .editorial-grid {
    grid-template-columns: 1fr;
  }

  .editorial-media {
    height: 200px;
  }

  .phone-frame img {
    width: min(420px, 100%);
    height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition: none !important;
  }
}