:root {
  --bg: #0b1020;
  --bg-soft: #121932;
  --card: rgba(255, 255, 255, 0.08);
  --text: #f4f7fb;
  --muted: #b6c2d9;
  --accent: #ff6b2c;
  --accent-2: #ffd166;
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 22px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--text);
  background:
    radial-gradient(
      circle at 20% 10%,
      rgba(255, 107, 44, 0.22),
      transparent 30%
    ),
    radial-gradient(
      circle at 85% 15%,
      rgba(255, 209, 102, 0.14),
      transparent 24%
    ),
    linear-gradient(180deg, #060a16 0%, #0b1020 42%, #0e1730 100%);
}

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

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

.wrap {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(8, 12, 24, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  flex: 0 0 auto;
}

.brand small {
  display: block;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.78rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}

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

.hero {
  padding: 54px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 32px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent-2);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.2px;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4.7rem);
  line-height: 0.98;
  margin: 18px 0 18px;
  letter-spacing: -0.04em;
  max-width: 12ch;
}

.subtext {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 62ch;
}

.cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 28px 0 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 20px;
  border-radius: 16px;
  font-weight: 800;
  border: 1px solid transparent;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #ff884d);
  color: white;
  box-shadow: 0 12px 30px rgba(255, 107, 44, 0.28);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-color: var(--line);
}

.hero-visual {
  position: relative;
}

.hero-card {
  position: relative;
  overflow: hidden;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  min-height: 580px;
}

.hero-card img.main {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  filter: saturate(1.06) contrast(1.02);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  min-height: 100%;
  background: linear-gradient(
    180deg,
    rgba(8, 12, 24, 0.18) 0%,
    rgba(8, 12, 24, 0.48) 45%,
    rgba(8, 12, 24, 0.92) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
}

.hero-overlay h2 {
  margin: 0 0 10px;
  font-size: 1.9rem;
  line-height: 1.15;
  max-width: none;
}

.hero-overlay .hero-description {
  margin: 0;
  color: #d4def2;
  line-height: 1.7;
  max-width: 44ch;
}

.hero-mini-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding-top: 20px;
}

.stat-chip {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 14px;
  border-radius: 18px;
}

.stat-chip strong {
  display: block;
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.section {
  padding: 34px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 20px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  letter-spacing: -0.03em;
  margin: 0;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 60ch;
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-card,
.metric-card,
.guide-card,
.testimonial,
.faq,
.cta-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-card {
  padding: 22px;
}

.feature-card h3,
.metric-card h3 {
  margin: 0 0 10px;
}

.feature-card p,
.metric-card p,
.faq p,
.testimonial p {
  color: var(--muted);
  line-height: 1.7;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.metric-card {
  padding: 22px;
}

.metric-card strong {
  display: block;
  font-size: 2rem;
  margin-bottom: 8px;
  color: var(--accent-2);
}

.guides-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 24px;
}

.guide-card {
  overflow: hidden;
  cursor: pointer;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.guide-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.45);
}

.guide-image-wrap {
  position: relative;
}

.guide-card img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  object-position: center 25%;
  background: #1d2542;
  transition: transform 0.35s ease;
}

.guide-card:hover img {
  transform: scale(1.05);
}

.guide-actions {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 103%;
  flex-wrap: wrap;
  padding: 18px;
  background: rgba(8, 12, 24, 0.88);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.guide-card:hover .guide-actions,
.guide-card:focus-within .guide-actions {
  opacity: 1;
  pointer-events: auto;
}

.guide-action-btn {
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 700;
  color: white;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition:
    transform 0.15s ease,
    background 0.15s ease;
}

.guide-action-btn:hover {
  transform: translateY(-2px);
  background: var(--accent);
}

.guide-body {
  padding: 18px;
}

.label-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.label {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.label.new {
  color: #111;
  background: var(--accent-2);
}

.guide-card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  line-height: 1.35;
  position: relative;
  transition: color 0.25s ease;
}

.guide-card h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0%;
  height: 2px;
  background: var(--accent);
  transition: width 0.25s ease;
}

.guide-card:hover h3 {
  color: var(--accent);
}

.guide-card:hover h3::after {
  width: 100%;
}

.guide-card .book {
  color: var(--muted);
  line-height: 1.6;
  min-height: 76px;
  font-size: 0.95rem;
}

.guide-stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.guide-stats span {
  font-size: 0.9rem;
  color: var(--text);
  padding: 9px 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.two-col {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 18px;
  align-items: stretch;
}

.testimonial,
.faq,
.cta-panel {
  padding: 24px;
}

.quote {
  font-size: 1.08rem;
  line-height: 1.8;
  margin-bottom: 18px;
}

.quote-mark {
  font-size: 3rem;
  line-height: 1;
  color: var(--accent-2);
  margin-bottom: 6px;
}

.faq h3,
.cta-panel h3 {
  margin-top: 0;
}

.faq-item + .faq-item {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.footer {
  padding: 34px 0 60px;
  color: var(--muted);
}

.footer-box {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.kicker {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 800;
  margin-bottom: 12px;
}

@media (min-width: 1280px) {
  :root {
    --max: 1420px;
    --radius: 26px;
  }

  /* Nav */
  .nav-inner {
    padding: 18px 0;
  }

  .brand-icon {
    width: 50px;
    height: 50px;
    border-radius: 16px;
  }

  .brand {
    font-size: 1.05rem;
    gap: 14px;
  }

  .brand small {
    font-size: 0.82rem;
  }

  .nav-links {
    gap: 28px;
    font-size: 1rem;
  }

  /* Hero */
  .hero {
    padding: 80px 0 72px;
  }

  .hero-grid {
    gap: 52px;
    grid-template-columns: 1fr 1fr;
  }

  .eyebrow {
    font-size: 0.95rem;
    padding: 12px 18px;
  }

  h1 {
    font-size: clamp(3rem, 4vw, 5.2rem);
    margin: 24px 0 24px;
  }

  .subtext {
    font-size: 1.2rem;
    line-height: 1.78;
  }

  .cta-row {
    margin: 34px 0 20px;
    gap: 16px;
  }

  .btn {
    padding: 17px 26px;
    font-size: 1rem;
    border-radius: 18px;
  }

  .hero-card {
    min-height: 700px;
  }

  .hero-overlay {
    padding: 36px;
  }

  .hero-overlay h2 {
    font-size: 2.4rem;
    margin-bottom: 14px;
    max-width: none;
  }

  .hero-overlay .hero-description {
    font-size: 1.05rem;
    line-height: 1.75;
  }

  .hero-mini-stats {
    gap: 14px;
    padding-top: 26px;
  }

  .stat-chip {
    padding: 18px;
    border-radius: 20px;
  }

  .stat-chip strong {
    font-size: 1.5rem;
    margin-bottom: 6px;
  }

  /* Sections */
  .section {
    padding: 64px 0;
  }

  .section-head {
    margin-bottom: 32px;
    gap: 36px;
  }

  .section-head h2 {
    font-size: 3rem;
  }

  .section-head p {
    font-size: 1.05rem;
    line-height: 1.8;
  }

  .kicker {
    font-size: 0.82rem;
    margin-bottom: 14px;
    letter-spacing: 0.14em;
  }

  /* Feature grid */
  .feature-grid {
    gap: 20px;
  }

  .feature-card {
    padding: 32px;
  }

  .feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
  }

  .feature-card p {
    font-size: 1rem;
    line-height: 1.75;
  }

  /* Metrics */
  .metrics {
    gap: 20px;
    margin-top: 24px;
  }

  .metric-card {
    padding: 32px;
  }

  .metric-card strong {
    font-size: 2.6rem;
    margin-bottom: 10px;
  }

  .metric-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
  }

  .metric-card p {
    font-size: 0.98rem;
  }

  /* Guides grid */
  .guides-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    margin-top: 32px;
  }

  .guide-card img {
    height: 240px;
  }

  .guide-body {
    padding: 22px;
  }

  .guide-card h3 {
    font-size: 1.12rem;
    margin-bottom: 12px;
  }

  .guide-card .book {
    font-size: 0.98rem;
    min-height: 80px;
    line-height: 1.65;
  }

  .guide-stats {
    gap: 10px;
    margin-top: 16px;
  }

  .guide-stats span {
    font-size: 0.95rem;
    padding: 10px 14px;
  }

  .guide-action-btn {
    padding: 12px 16px;
    font-size: 0.9rem;
    border-radius: 14px;
  }

  .label {
    font-size: 0.82rem;
    padding: 8px 12px;
  }

  /* Two-col / testimonial / FAQ */
  .two-col {
    gap: 28px;
  }

  .testimonial,
  .faq,
  .cta-panel {
    padding: 40px;
  }

  .quote {
    font-size: 1.18rem;
    line-height: 1.85;
    margin-bottom: 24px;
  }

  .quote-mark {
    font-size: 3.8rem;
    margin-bottom: 8px;
  }

  .faq-item + .faq-item {
    margin-top: 24px;
    padding-top: 24px;
  }

  .faq-item strong {
    font-size: 1.02rem;
  }

  .faq-item p {
    font-size: 0.98rem;
  }

  /* Footer */
  .footer {
    padding: 48px 0 72px;
  }

  .footer-box {
    padding: 28px 0;
    font-size: 1rem;
  }
}

@media (min-width: 1600px) {
  :root {
    --max: 1560px;
    --radius: 28px;
  }

  /* Nav */
  .brand-icon {
    width: 54px;
    height: 54px;
    border-radius: 17px;
  }

  .nav-links {
    gap: 34px;
    font-size: 1.05rem;
  }

  /* Hero */
  .hero {
    padding: 100px 0 90px;
  }

  .hero-grid {
    gap: 72px;
    grid-template-columns: 1fr 1fr;
  }

  h1 {
    font-size: clamp(3.6rem, 3.8vw, 5.8rem);
    margin: 28px 0 28px;
  }

  .subtext {
    font-size: 1.28rem;
  }

  .btn {
    padding: 19px 30px;
    font-size: 1.05rem;
  }

  .hero-card {
    min-height: 800px;
  }

  .hero-overlay {
    padding: 44px;
  }

  .hero-overlay h2 {
    font-size: 2.8rem;
    margin-bottom: 16px;
  }

  .hero-overlay .hero-description {
    font-size: 1.12rem;
  }

  .stat-chip {
    padding: 22px;
  }

  .stat-chip strong {
    font-size: 1.7rem;
  }

  /* Sections */
  .section {
    padding: 80px 0;
  }

  .section-head {
    margin-bottom: 42px;
  }

  .section-head h2 {
    font-size: 3.4rem;
  }

  .section-head p {
    font-size: 1.1rem;
  }

  /* Feature grid */
  .feature-grid {
    gap: 24px;
  }

  .feature-card {
    padding: 36px;
  }

  .feature-card h3 {
    font-size: 1.22rem;
  }

  /* Metrics */
  .metrics {
    gap: 24px;
  }

  .metric-card {
    padding: 36px;
  }

  .metric-card strong {
    font-size: 3rem;
  }

  .metric-card h3 {
    font-size: 1.18rem;
  }

  /* Guides */
  .guides-grid {
    gap: 26px;
  }

  .guide-card img {
    height: 280px;
  }

  .guide-body {
    padding: 26px;
  }

  .guide-card h3 {
    font-size: 1.18rem;
  }

  .guide-card .book {
    font-size: 1.02rem;
    min-height: 88px;
  }

  /* Two-col */
  .two-col {
    gap: 36px;
  }

  .testimonial,
  .faq,
  .cta-panel {
    padding: 52px;
  }

  .quote {
    font-size: 1.28rem;
    line-height: 1.9;
  }

  .quote-mark {
    font-size: 4.2rem;
  }

  /* Footer */
  .footer {
    padding: 56px 0 84px;
  }

  .footer-box {
    padding: 32px 0;
    font-size: 1.05rem;
  }
}

@media (max-width: 1080px) {
  .hero-grid,
  .two-col,
  .feature-grid,
  .metrics,
  .guides-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-card {
    min-height: 480px;
  }

  .hero-overlay h2 {
    font-size: 1.6rem;
    max-width: none;
  }
}

@media (max-width: 760px) {
  .nav-inner,
  .section-head,
  .footer-box {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-grid,
  .two-col,
  .feature-grid,
  .metrics {
    grid-template-columns: 1fr;
  }

  .guides-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  h1 {
    max-width: none;
  }

  .hero-card {
    min-height: 520px;
  }

  .hero-overlay {
    padding: 20px;
  }

  .hero-overlay h2 {
    font-size: 1.35rem;
    line-height: 1.2;
    max-width: none;
  }

  .hero-overlay .hero-description {
    font-size: 0.95rem;
    line-height: 1.55;
  }

  .hero-mini-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding-top: 16px;
  }

  .stat-chip {
    padding: 10px;
    border-radius: 14px;
  }

  .stat-chip strong {
    font-size: 1rem;
    margin-bottom: 2px;
  }

  .stat-chip span {
    font-size: 0.72rem;
    line-height: 1.2;
    display: block;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 12px;
  }

  .guide-card img {
    height: 150px;
    object-position: center 25%;
  }

  .guide-actions {
    opacity: 1;
    pointer-events: auto;
    position: static;
    inset: auto;
    background: transparent;
    padding: 12px 12px 0 12px;
    justify-content: flex-start;
    gap: 8px;
  }

  .guide-action-btn {
    flex: 1 1 calc(50% - 8px);
    text-align: center;
    font-size: 0.78rem;
    padding: 8px 6px;
  }

  .guide-body {
    padding: 14px;
  }

  .guide-card h3 {
    font-size: 0.95rem;
    line-height: 1.3;
  }

  .guide-card .book {
    min-height: auto;
    font-size: 0.86rem;
    line-height: 1.45;
  }

  .guide-stats {
    gap: 8px;
    margin-top: 10px;
  }

  .guide-stats span {
    font-size: 0.8rem;
    padding: 7px 9px;
  }

  .label {
    font-size: 0.72rem;
    padding: 6px 8px;
  }
}