/* ================= ROOT ================= */
:root {
  --text: #ffffff;
  --dark: #0f172a;
  --accent: #3b82f6;
  --muted: rgba(255,255,255,0.75);
  --panel: rgba(255,255,255,0.12);
  --panel-border: rgba(255,255,255,0.22);
  --max-width: 1200px;
}

/* ================= RESET ================= */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: #0b1220;
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ================= CONTAINERS ================= */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.content-960 {
  max-width: 960px;
  margin: 0 auto;
}

.content-1100 {
  max-width: 1100px;
  margin: 0 auto;
}

/* ================= HERO ================= */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background-position: center;
  background-size: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    rgba(8,12,25,0.65),
    rgba(8,12,25,0.88)
  );
}

.hero-content {
  position: relative;
  max-width: 760px;
}

.hero h1 {
  font-size: 58px;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.02em;
}

.hero h2 {
  font-size: 40px;
  font-weight: 400;
  margin: 6px 0 28px;
  color: var(--muted);
}

.hero-lead {
  font-size: 20px;
  margin-bottom: 14px;
}

.hero-sub {
  font-size: 16px;
  color: var(--muted);
  max-width: 620px;
  margin-bottom: 36px;
}

/* ================= BUTTON ================= */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #ffffff;
  padding: 15px 34px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: #2563eb;
  box-shadow: 0 14px 40px rgba(59,130,246,0.45);
}

/* ================= CONTEXT ================= */
.context {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  text-align: center;
  background-size: cover;
  background-position: center;
  padding: 120px 0;
}

.context-large {
  min-height: 520px;
}

.context-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    rgba(15,23,42,0.55),
    rgba(15,23,42,0.75)
  );
}

.context-content {
  position: relative;
}

.context-eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  margin-bottom: 14px;
}

.context h3 {
  font-size: 38px;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.context-lead {
  font-size: 20px;
  margin-bottom: 12px;
}

.context-body {
  font-size: 17px;
  max-width: 760px;
  margin: 0 auto;
  color: var(--muted);
}

/* ================= SIGNALS SLIDER ================= */
.signals-slider {
  position: relative;
  padding: 120px 0 110px;
  background: linear-gradient(
    rgba(15,23,42,0.88),
    rgba(15,23,42,0.92)
  );
}

.signals-title {
  text-align: center;
  font-size: 34px;
  margin-bottom: 64px;
  letter-spacing: -0.02em;
}

.slider-track {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.slide {
  display: none;
  align-items: center;
  gap: 64px;
}

.slide.active {
  display: flex;
}

/* ARROWS */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: #ffffff;
  font-size: 32px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  cursor: pointer;
  transition: background .2s ease, transform .2s ease;
  z-index: 10;
}

.slider-arrow:hover {
  background: rgba(255,255,255,0.22);
  transform: translateY(-50%) scale(1.05);
}

.slider-arrow.prev { left: -72px; }
.slider-arrow.next { right: -72px; }

/* SLIDE IMAGE */
.slide-image {
  flex: 1;
}

.slide-image img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 30px 70px rgba(0,0,0,0.45);
}

/* SLIDE CONTENT */
.slide-content {
  flex: 1;
}

.slide-content h4 {
  font-size: 30px;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.slide-content ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.slide-content li {
  position: relative;
  font-size: 18px;
  color: var(--muted);
  margin-bottom: 12px;
  padding-left: 20px;
}

.slide-content li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 22px;
}

/* DOTS */
.slider-dots {
  margin-top: 48px;
  display: flex;
  justify-content: center;
  gap: 12px;
}

.slider-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  border: none;
  cursor: pointer;
}

.slider-dots .dot.active {
  background: var(--accent);
  transform: scale(1.2);
}

/* ================= ENGAGEMENTS ================= */
.engagements {
  background: #0f172a;
  padding: 110px 0 120px;
}

.engagements .container {
  max-width: 1600px;
}

.engagements h3 {
  text-align: center;
  font-size: 42px;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.section-intro {
  text-align: center;
  font-size: 18px;
  color: var(--muted);
  margin: 0 auto 72px;
  max-width: 900px;
}

.engagement-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  counter-reset: engagement;
}

/* CARD */
.engagement-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  padding: 56px 36px 38px;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  transition: transform .35s ease, background .35s ease, box-shadow .35s ease;
}

/* NUMBER */
.engagement-card::before {
  counter-increment: engagement;
  content: "0" counter(engagement);
  position: absolute;
  top: 20px;
  left: 24px;
  font-size: 32px;
  font-weight: 700;
  color: rgba(255,255,255,0.18);
  letter-spacing: 0.04em;
}

.engagement-card:hover {
  transform: translateY(-8px);
  background: rgba(255,255,255,0.18);
  box-shadow: 0 26px 60px rgba(0,0,0,0.4);
}

/* META */
.engagement-card h4 {
  font-size: 22px;
  margin-bottom: 8px;
}

.engagement-card span {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 22px;
}

/* BODY */
.engagement-card p {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 28px;
}

/* CTA */
.engagement-card a {
  margin-top: auto;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

/* ================= CREDIBILITY ================= */
.credibility {
  background: linear-gradient(
    rgba(15,23,42,0.95),
    rgba(15,23,42,0.95)
  );
  padding: 120px 0;
}

.credibility h3 {
  text-align: center;
  font-size: 38px;
  margin-bottom: 56px;
  letter-spacing: -0.02em;
}

.credibility-content {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 72px;
  align-items: center;
}

.credibility-text p {
  font-size: 17px;
  color: var(--muted);
  margin-bottom: 18px;
}

.credibility-links {
  margin-top: 28px;
  display: flex;
  gap: 24px;
}

.credibility-links a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.credibility-photo img {
  width: 100%;
  max-width: 320px;
  border-radius: 16px;
  box-shadow: 0 28px 70px rgba(0,0,0,0.45);
}

/* ================= CTA ================= */
.cta {
  position: relative;
  padding: 140px 0;
  text-align: center;
  background-size: cover;
  background-position: center;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    rgba(8,12,25,0.88),
    rgba(8,12,25,0.97)
  );
}

.cta .container {
  position: relative;
}

.cta h3 {
  font-size: 38px;
  margin-bottom: 16px;
}

.cta p {
  font-size: 18px;
  color: var(--muted);
  margin-bottom: 36px;
}

/* ================= FOOTER ================= */
.footer {
  background: #020617;
  padding: 48px 0;
  text-align: center;
  font-size: 14px;
  color: var(--muted);
}

/* ================= RESPONSIVE ================= */
@media (max-width: 1200px) {
  .engagement-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1024px) {
  .slide {
    flex-direction: column;
  }

  .slider-arrow {
    display: none;
  }

  .credibility-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .hero h1 { font-size: 40px; }
  .hero h2 { font-size: 28px; }

  .context h3,
  .credibility h3,
  .cta h3 {
    font-size: 28px;
  }

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