/* =========================================
   STREETLEVEL — THEME CSS
   ========================================= */

/* --- VARIABLES --- */
:root {
  --bg: #0A0F1E;
  --bg-2: #111827;
  --surface: #1A2332;
  --lime: #B4FF4B;
  --lime-dim: #8FCC3A;
  --white: #FFFFFF;
  --gray-100: #F3F4F6;
  --gray-400: #9CA3AF;
  --gray-600: #4B5563;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1100px;
  --radius: 4px;
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* --- NAV --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid rgba(180, 255, 75, 0.08);
  backdrop-filter: blur(20px);
  background: rgba(10, 15, 30, 0.85);
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.nav-tagline {
  font-size: 0.75rem;
  color: var(--gray-400);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* --- HERO --- */
.hero {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 80px;
  align-items: center;
  min-height: 85vh;
  padding: 80px 48px 100px;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--lime);
  margin-bottom: 28px;
  font-weight: 500;
}

.label-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.8rem, 5.5vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--gray-400);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--lime);
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.1);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  height: 420px;
}

.geo-block {
  position: absolute;
  border-radius: var(--radius);
}

.geo-1 {
  width: 100%;
  height: 100%;
  border: 1px solid rgba(180, 255, 75, 0.15);
  background: var(--surface);
}

.geo-2 {
  width: 70%;
  height: 60%;
  top: 15%;
  right: -10px;
  border: 1px solid rgba(180, 255, 75, 0.25);
  background: var(--bg-2);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 32px;
}

.geo-accent {
  position: absolute;
  bottom: -20px;
  left: -20px;
  width: 80px;
  height: 80px;
  background: var(--lime);
  opacity: 0.15;
  border-radius: var(--radius);
  filter: blur(40px);
}

.geo-2-text {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--lime);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  text-align: center;
  line-height: 1.4;
}

.geo-3 {
  width: 45%;
  height: 35%;
  bottom: 10%;
  left: -30px;
  background: rgba(180, 255, 75, 0.06);
  border: 1px solid rgba(180, 255, 75, 0.2);
}

/* --- MATH SECTION --- */
.math-section {
  background: var(--bg-2);
  border-top: 1px solid rgba(180, 255, 75, 0.08);
  border-bottom: 1px solid rgba(180, 255, 75, 0.08);
  padding: 80px 48px;
}

.math-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.math-headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.2rem;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  line-height: 1.15;
}

.math-body {
  color: var(--gray-400);
  font-size: 1rem;
  line-height: 1.75;
}

.formula-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.formula-sub {
  opacity: 0.5;
  font-size: 0.85rem;
}

.formula-label {
  font-size: 0.85rem;
  color: var(--gray-400);
}

.formula-eq {
  color: var(--lime);
  font-weight: 700;
  font-size: 1.1rem;
}

.formula-result {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--white);
  font-size: 1rem;
}

.formula-val {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--lime);
  font-size: 1.1rem;
}

/* --- SERVICES --- */
.services {
  padding: 100px 48px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--lime);
  margin-bottom: 20px;
  font-weight: 600;
}

.services-headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.02em;
  max-width: 580px;
  line-height: 1.2;
  margin-bottom: 60px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: rgba(180, 255, 75, 0.08);
  border-radius: var(--radius);
  overflow: hidden;
}

.service-card {
  background: var(--bg);
  padding: 40px;
  transition: background 0.2s ease;
}

.service-card:hover {
  background: var(--surface);
}

.service-icon {
  color: var(--lime);
  margin-bottom: 20px;
}

.service-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.service-desc {
  color: var(--gray-400);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* --- MANIFESTO --- */
.manifesto {
  background: var(--bg-2);
  padding: 80px 48px;
}

.manifesto-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.manifesto-rule {
  width: 60px;
  height: 2px;
  background: var(--lime);
  margin: 0 auto 40px;
  opacity: 0.4;
}

.manifesto-quote {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  line-height: 1.4;
  letter-spacing: -0.02em;
  color: var(--gray-100);
  font-style: normal;
}

/* --- DIFFERENCE --- */
.difference {
  padding: 100px 48px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.diff-headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 60px;
  max-width: 520px;
}

.diff-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.diff-col-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  margin-bottom: 20px;
  display: block;
  font-weight: 500;
}

.diff-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.diff-list li {
  font-size: 0.95rem;
  line-height: 1.5;
  padding-left: 20px;
  position: relative;
}

.diff-list-old li { color: var(--gray-600); }
.diff-list-old li::before { content: '—'; position: absolute; left: 0; color: var(--gray-600); }

.diff-list-new li { color: var(--gray-100); }
.diff-list-new li::before { content: '+'; position: absolute; left: 0; color: var(--lime); font-weight: 700; }

.diff-pricing {
  border-top: 1px solid rgba(180, 255, 75, 0.1);
  padding-top: 48px;
  display: flex;
  align-items: baseline;
  gap: 24px;
  flex-wrap: wrap;
}

.pricing-block {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.pricing-from {
  font-size: 0.85rem;
  color: var(--gray-400);
}

.pricing-amount {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 3rem;
  letter-spacing: -0.04em;
  color: var(--lime);
  line-height: 1;
}

.pricing-per {
  font-size: 0.85rem;
  color: var(--gray-400);
}

.pricing-note {
  color: var(--gray-400);
  font-size: 0.9rem;
  max-width: 340px;
  line-height: 1.6;
}

/* --- CLOSING --- */
.closing {
  background: var(--bg-2);
  border-top: 1px solid rgba(180, 255, 75, 0.08);
  padding: 100px 48px;
}

.closing-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.closing-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  max-width: 760px;
  margin-bottom: 24px;
}

.closing-sub {
  color: var(--gray-400);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 520px;
  margin-bottom: 80px;
}

/* Street Visual */
.street-graphic {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 600px;
}

.street-line {
  height: 2px;
  background: rgba(180, 255, 75, 0.15);
  position: relative;
}

.street-line::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 40%;
  height: 2px;
  background: var(--lime);
  opacity: 0.4;
}

.street-dots {
  display: flex;
  gap: 20px;
  align-items: center;
}

.street-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(180, 255, 75, 0.2);
  border: 1px solid rgba(180, 255, 75, 0.2);
}

.street-dot-active {
  background: var(--lime);
  border-color: var(--lime);
  box-shadow: 0 0 20px rgba(180, 255, 75, 0.4);
  width: 12px;
  height: 12px;
}

.street-label {
  font-size: 0.7rem;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* --- FOOTER --- */
.footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 40px 48px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--lime);
}

.footer-desc {
  font-size: 0.8rem;
  color: var(--gray-600);
  margin-top: 4px;
}

.footer-since {
  font-size: 0.75rem;
  color: var(--gray-600);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .nav-tagline { display: none; }

  .hero {
    grid-template-columns: 1fr;
    padding: 60px 24px 80px;
    min-height: auto;
    gap: 48px;
  }

  .hero-visual { display: none; }

  .math-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .services { padding: 60px 24px; }
  .services-grid { grid-template-columns: 1fr; }

  .manifesto { padding: 60px 24px; }

  .difference { padding: 60px 24px; }
  .diff-comparison { grid-template-columns: 1fr; }

  .closing { padding: 60px 24px; }

  .footer { padding: 32px 24px; }
  .footer-inner { flex-direction: column; gap: 16px; align-items: flex-start; }

  .hero-stats { gap: 20px; }
  .stat-number { font-size: 1.5rem; }
  .pricing-amount { font-size: 2.2rem; }
}