/* ── Variables ─────────────────────────────────── */
:root {
  --bg:         #0e0e10;
  --bg-panel:   #18181b;
  --bg-raised:  #222226;
  --bg-alt:     #1c1c20;
  --border:     rgba(255,255,255,0.07);
  --border-hi:  rgba(240,160,48,0.35);
  --amber:      #f0a030;
  --amber-dim:  rgba(240,160,48,0.12);
  --amber-glow: rgba(240,160,48,0.28);
  --text:       #ededed;
  --muted:      #9ca3af;
  --subtle:     #6b7280;
  --green:      #4ade80;
  --green-dim:  rgba(74,222,128,0.12);
  --radius:     10px;
  --radius-lg:  16px;
  --t:          0.2s ease;
}

/* ── Reset ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: 'Inter', system-ui, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; overflow-x: hidden; }
a { color: var(--amber); text-decoration: none; }
a:hover { color: #ffc060; }
ul { list-style: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ── Layout ─────────────────────────────────────── */
.container { width: 100%; max-width: 1020px; margin: 0 auto; padding: 0 24px; }

/* ── Nav ────────────────────────────────────────── */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 18px 0; transition: background var(--t), border-color var(--t); }
.nav.scrolled { background: rgba(14,14,16,0.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-left  { display: flex; align-items: center; gap: 20px; }
.nav-logo  { display: flex; align-items: center; gap: 9px; font-size: 1.05rem; font-weight: 700; color: var(--text); letter-spacing: -0.01em; }
.nav-mark  { width: 30px; height: 30px; background: var(--amber); border-radius: 7px; display: flex; align-items: center; justify-content: center; font-size: 0.72rem; font-weight: 800; color: #111; }

/* Language toggle */
.lang-toggle { display: flex; align-items: center; gap: 2px; background: var(--bg-raised); border: 1px solid var(--border); border-radius: 100px; padding: 3px; }
.lang-btn { padding: 4px 11px; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em; border: none; border-radius: 100px; cursor: pointer; background: transparent; color: var(--muted); font-family: inherit; transition: background var(--t), color var(--t); }
.lang-btn.active { background: var(--amber); color: #111; }
.lang-btn:not(.active):hover { color: var(--text); }

.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-cta { padding: 8px 18px; background: var(--amber); color: #111; font-weight: 700; font-size: 0.82rem; border-radius: 100px; transition: opacity var(--t), transform var(--t), box-shadow var(--t); }
.nav-cta:hover { color: #111; opacity: 0.9; transform: translateY(-1px); box-shadow: 0 6px 20px var(--amber-glow); }

/* ── Hero ───────────────────────────────────────── */
.hero { padding: 180px 0 130px; position: relative; overflow: hidden; }
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 50% 40% at 70% 0%,  rgba(240,160,48,0.10)  0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 20% 100%, rgba(96,165,250,0.08)  0%, transparent 65%);
  pointer-events: none;
}
.hero-content { max-width: 1120px; margin: 0 auto; position: relative; }
.hero-copy { max-width: 680px; margin: 0 auto; text-align: center; position: relative; z-index: 2; }
.hero-title { font-size: clamp(2.3rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.03em; margin-bottom: 26px; }
.hero-sub { font-size: 1.12rem; color: var(--muted); line-height: 1.7; margin-bottom: 46px; max-width: 620px; margin-left: auto; margin-right: auto; }
.hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-value-props {
  margin-top: 48px;
  display: grid;
  gap: 20px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
.hero-value-prop {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 12px;
  transition: all 0.3s ease;
}
.hero-value-prop:hover {
  background: rgba(255,255,255,0.04);
  border-color: rgba(240,160,48,0.2);
  transform: translateX(3px);
}
.hero-value-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(240,160,48,0.15);
  border: 1px solid rgba(240,160,48,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--amber);
  flex-shrink: 0;
}
.hero-value-content { flex: 1; }
.hero-value-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}
.hero-value-desc {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--muted);
}
.btn { padding: 13px 28px; background: var(--amber); color: #111; font-weight: 700; font-size: 0.9rem; border: none; border-radius: 100px; cursor: pointer; font-family: inherit; white-space: nowrap; transition: opacity var(--t), transform var(--t), box-shadow var(--t); text-decoration: none; display: inline-block; position: relative; }
.btn:hover { color: #111; opacity: 0.9; transform: translateY(-2px); box-shadow: 0 8px 28px var(--amber-glow); animation: pulseGlow 2s ease-in-out infinite; }
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 8px 28px var(--amber-glow); }
  50% { box-shadow: 0 8px 40px rgba(240, 160, 48, 0.6), 0 0 60px rgba(240, 160, 48, 0.3); }
}
.btn-secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-secondary:hover { color: var(--text); opacity: 1; border-color: rgba(255,255,255,0.2); box-shadow: none; }

/* ── Sections ───────────────────────────────────── */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section[id], .cta-sec[id] { scroll-margin-top: 110px; }
.section[id]::before, .cta-sec[id]::before {
  content: '';
  display: block;
  height: 110px;
  margin-top: -110px;
  visibility: hidden;
  pointer-events: none;
}
.divider { border: none; border-top: 1px solid var(--border); margin: 0; }
.s-label { display: block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber); margin-bottom: 14px; text-align: center; }
.s-title { font-size: clamp(1.85rem, 3.5vw, 2.65rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.2; margin-bottom: 18px; text-align: center; }
.s-sub { font-size: 1.06rem; color: var(--muted); max-width: 640px; line-height: 1.7; margin: 0 auto 56px; text-align: center; }

/* ── Problem grid ───────────────────────────────── */
.prob-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; max-width: 800px; margin: 0 auto; }
.prob-item {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color var(--t), transform var(--t);
}
.prob-item:hover { border-color: rgba(255,255,255,0.12); transform: translateY(-2px); }
.card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.prob-icon { width: 28px; height: 28px; flex-shrink: 0; color: var(--amber); }
.prob-title { font-size: 0.96rem; font-weight: 700; letter-spacing: -0.01em; }
.prob-desc { font-size: 0.88rem; color: var(--muted); line-height: 1.65; }

/* ── Solution cards ──────────────────────────────── */
.sol-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; max-width: 1100px; margin: 0 auto; }
.sol-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.sol-card:hover {
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.sol-icon { width: 32px; height: 32px; flex-shrink: 0; color: var(--amber); }
.sol-title { font-size: 1.12rem; font-weight: 700; letter-spacing: -0.02em; }
.sol-desc { font-size: 0.89rem; color: var(--muted); line-height: 1.7; margin-bottom: 0; }

/* ── Results section ──────────────────────────────── */
.results-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; max-width: 800px; margin: 0 auto; }
.result-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 20px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
}
.result-item::before {
  content: '';
  position: absolute;
  inset: -1px;
  background: radial-gradient(circle at center, rgba(240, 160, 48, 0.08), transparent 60%);
  border-radius: var(--radius);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.result-item:hover::before {
  opacity: 1;
}
.result-check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--green-dim);
  border: 1px solid rgba(74,222,128,0.3);
  border-radius: 50%;
  color: var(--green);
  font-size: 0.7rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.result-text { font-size: 0.89rem; color: var(--text); line-height: 1.6; font-weight: 500; }

/* ── Process steps ───────────────────────────────── */
.process-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; max-width: 900px; margin: 0 auto; }
.process-step {
  text-align: center;
  padding: 34px 26px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
}
.process-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  background: rgba(240,160,48,0.15);
  border: 2px solid rgba(240,160,48,0.4);
  border-radius: 50%;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--amber);
  margin-bottom: 18px;
}
.process-title { font-size: 1.02rem; font-weight: 700; margin-bottom: 10px; }
.process-desc { font-size: 0.88rem; color: var(--muted); line-height: 1.65; }

/* ── Why cards ────────────────────────────────────── */
.why-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; max-width: 820px; margin: 0 auto; }
.why-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
}
.why-icon { width: 30px; height: 30px; flex-shrink: 0; color: var(--amber); }
.why-title { font-size: 1.02rem; font-weight: 700; letter-spacing: -0.01em; }
.why-desc { font-size: 0.89rem; color: var(--muted); line-height: 1.7; }

/* ── FAQ section ──────────────────────────────────── */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 16px;
}
.faq-q { font-size: 1.02rem; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.faq-a { font-size: 0.89rem; color: var(--muted); line-height: 1.7; }

/* ── About section ────────────────────────────────── */
.about-box {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  padding: 42px 34px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.about-text { font-size: 1.01rem; color: var(--muted); line-height: 1.75; margin-bottom: 22px; }
.about-link { display: inline-block; font-size: 0.88rem; color: var(--amber); font-weight: 600; }

/* ── CTA section ──────────────────────────────────── */
.cta-sec { padding: 96px 0; }
.cta-box {
  background: linear-gradient(135deg, #1a1a1f 0%, #131318 100%);
  border: 1px solid rgba(240,160,48,0.18);
  border-radius: 20px;
  padding: 60px 44px;
  text-align: center;
  position: relative;
  overflow: hidden;
  max-width: 720px;
  margin: 0 auto;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -120px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(240,160,48,0.09) 0%, transparent 65%);
  pointer-events: none;
}
.cta-eyebrow { display: block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber); margin-bottom: 18px; position: relative; }
.cta-title { font-size: clamp(1.85rem, 4vw, 2.5rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.2; margin-bottom: 16px; position: relative; }
.cta-sub { font-size: 1.02rem; color: var(--muted); margin-bottom: 34px; position: relative; max-width: 480px; margin-left: auto; margin-right: auto; line-height: 1.65; }

/* ── Footer ─────────────────────────────────────── */
.footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-logo { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--text); }
.footer-mark { width: 24px; height: 24px; background: var(--amber); border-radius: 5px; display: flex; align-items: center; justify-content: center; font-size: 0.62rem; font-weight: 800; color: #111; }
.footer-copy { font-size: 0.75rem; color: var(--subtle); }

/* ── Scroll reveal ──────────────────────────────── */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 768px) {
  .hero { padding: 140px 0 90px; }
  .section, .cta-sec { padding: 68px 0; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .prob-grid, .sol-grid, .why-grid, .results-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; gap: 20px; }
  .cta-box { padding: 40px 26px; }
  .nav-cta { display: none; }
}