/* Art direction: Urban greening startup → bold, purposeful, activist energy
   Palette: deep forest green + lime acid accent on off-white
   Typography: Clash Display 500 (medium) + Inter (body)
   Density: spacious, editorial */

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

:root {
  --green-dark: #0D4A3A;
  --green-mid: #1A6B52;
  --lime: #C8F135;
  --white: #FFFFFF;
  --off-white: #F4F4F0;
  --text-dark: #111;
  --radius: 16px;
  --font-display: 'Clash Display', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
}

body {
  font-family: var(--font-body);
  background: var(--off-white);
  color: var(--text-dark);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
nav {
  background: var(--green-dark);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 24px;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  flex-shrink: 0;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
}
.hamburger span { display: block; width: 26px; height: 2.5px; background: var(--lime); border-radius: 2px; }
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.nav-cta {
  color: var(--lime);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.9rem;
  border: 1.5px solid var(--lime);
  padding: 10px 20px;
  border-radius: 100px;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
  min-height: 44px;
  display: flex;
  align-items: center;
}
.nav-cta:hover { background: var(--lime); color: var(--green-dark); }

/* HERO */
.hero {
  background: #000;
  padding: 0;
  margin: 0;
  display: block;
  line-height: 0;
}
.hero-image-wrapper {
  position: relative;
  width: 100%;
  cursor: pointer;
  aspect-ratio: 16/7;
  background: #000;
  overflow: hidden;
  border-radius: 0;
  margin: 0;
  padding: 0;
  display: block;
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  transition: opacity 0.9s ease;
}
.hero-img-after { opacity: 0; }
.hero-image-wrapper.transformed .hero-img-after { opacity: 1; }
.tap-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--lime);
  color: var(--green-dark);
  font-weight: 700;
  font-size: clamp(0.85rem, 2.5vw, 1.1rem);
  font-family: var(--font-body);
  border: none;
  border-radius: 100px;
  padding: clamp(12px, 2vw, 18px) clamp(20px, 4vw, 36px);
  cursor: pointer;
  transition: opacity 0.5s ease, transform 0.2s;
  white-space: nowrap;
  z-index: 10;
}
.hero-image-wrapper:hover .tap-btn { transform: translate(-50%, -50%) scale(1.04); }
.hero-image-wrapper.transformed .tap-btn { opacity: 0; pointer-events: none; }

.hero-credit {
  position: absolute;
  bottom: 10px;
  right: 14px;
  font-size: 0.65rem;
  color: rgba(255,255,255,0.45);
  font-family: var(--font-body);
  z-index: 5;
  pointer-events: none;
  line-height: 1;
}
.tactical-img-wrap { position: relative; display: block; }
.img-credit {
  position: absolute;
  bottom: 8px;
  right: 12px;
  font-size: 0.62rem;
  color: rgba(255,255,255,0.5);
  background: rgba(0,0,0,0.35);
  padding: 2px 6px;
  border-radius: 4px;
  pointer-events: none;
  line-height: 1.3;
}
.img-credit-dark {
  color: rgba(0,0,0,0.4);
  background: rgba(0,0,0,0.08);
}

@media (max-width: 600px) {
  .hero-image-wrapper { aspect-ratio: 4/3; }
}

/* VALUE PROP */
.value-prop { background: var(--lime); padding: 80px 24px; }
.value-bg { max-width: 900px; margin: 0 auto; text-align: center; }
.vp-label { font-size: 1rem; font-weight: 600; color: var(--green-dark); margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.08em; }
.vp-headline { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.6rem); font-weight: 500; color: var(--text-dark); line-height: 1.05; letter-spacing: -0.02em; margin-bottom: 24px; }
.vp-sub { font-size: 1.1rem; color: var(--green-dark); max-width: 640px; margin: 0 auto 32px; line-height: 1.65; }
.vp-arrow { font-size: 1.5rem; color: var(--green-dark); }

/* CHALLENGE */
.challenge { background: #000000; padding: 96px 24px; }
.challenge-inner { max-width: 1100px; margin: 0 auto; }
.challenge-content { text-align: center; }
.challenge-label { font-size: 0.85rem; font-weight: 700; color: var(--lime); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 20px; }
.challenge-content h2 { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 500; color: var(--white); line-height: 1.15; letter-spacing: -0.02em; max-width: 800px; margin: 0 auto 56px; }
.challenge-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; max-width: 900px; margin: 0 auto 48px; }
.challenge-stat { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); padding: 32px 24px; text-align: center; }
.stat-num { display: block; font-family: var(--font-display); font-size: clamp(2.2rem, 4vw, 3.5rem); font-weight: 500; color: var(--lime); line-height: 1; margin-bottom: 12px; letter-spacing: -0.02em; }
.stat-desc { display: block; font-size: 0.9rem; color: rgba(255,255,255,0.7); line-height: 1.5; }
.challenge-body { max-width: 700px; margin: 0 auto; font-size: 1.05rem; color: rgba(255,255,255,0.65); line-height: 1.7; }

/* TACTICAL URBANISM */
.tactical { background: var(--off-white); padding: 0; }
.tactical-inner { display: grid; grid-template-columns: 1fr 1.4fr; min-height: 500px; }
.tactical-left { background: var(--green-dark); padding: 60px 48px; display: flex; flex-direction: column; justify-content: space-between; }
.tactical-logo { display: flex; align-items: center; gap: 10px; color: var(--white); font-weight: 700; font-size: 1rem; }
.tactical-title { font-family: var(--font-display); font-size: clamp(2.4rem, 4vw, 3.8rem); font-weight: 500; color: var(--white); line-height: 1.05; letter-spacing: -0.02em; margin-top: auto; }
.lime-text { color: var(--lime); }
.tactical-right { background: var(--lime); padding: 48px 48px 48px 40px; display: flex; flex-direction: column; gap: 28px; justify-content: center; }
.tactical-img-wrap { position: relative; }
.tactical-img { width: 100%; border-radius: var(--radius); object-fit: cover; max-height: 300px; display: block; }
.tactical-desc { font-size: 1.05rem; line-height: 1.7; color: var(--green-dark); font-weight: 500; }

/* HOW IT WORKS */
.how {
  background: var(--white);
  padding: 80px 24px 0;
  position: relative;
  overflow: hidden;
}
.lime-blob { position: absolute; width: 200px; height: 200px; background: var(--lime); border-radius: 50%; top: -60px; opacity: 0.7; }
.lime-left { left: -60px; } .lime-right { right: -60px; }
.how-title { font-family: var(--font-display); text-align: center; font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 500; color: var(--green-dark); margin-bottom: 56px; letter-spacing: -0.02em; }
.steps { max-width: 1100px; margin: 0 auto; display: flex; align-items: flex-start; gap: 16px; }
.step-card { flex: 1; background: var(--off-white); border: 1.5px solid #ddd; border-radius: var(--radius); padding: 32px 28px; }
.step-num { font-family: var(--font-display); font-size: 2rem; font-weight: 500; color: var(--lime); margin-bottom: 12px; }
.step-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--green-mid); margin-bottom: 12px; }
.step-card p { font-size: 0.95rem; line-height: 1.7; color: #444; }
.step-arrow { font-size: 1.8rem; color: var(--lime); background: var(--green-dark); width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 56px; }

/* SECTION BREAK IMAGE */
.section-break-img {
  background: var(--white);
  width: 100%;
  margin: 0;
  padding: 0;
  line-height: 0;
  display: block;
  overflow: hidden;
}
.section-break-img .break-img {
  width: 75%;
  max-width: 860px;
  height: 300px;
  object-fit: contain;
  object-position: center bottom;
  display: block;
  margin: 0 auto;
}

/* FOR COMPANIES */
.for-companies { background: var(--green-dark); padding: 80px 24px; text-align: center; }
.for-companies h2 { font-family: var(--font-display); font-size: clamp(1.6rem, 3.5vw, 2.6rem); font-weight: 500; color: var(--white); margin-bottom: 16px; letter-spacing: -0.02em; max-width: 800px; margin-left: auto; margin-right: auto; }
.for-companies-sub { font-size: 1.05rem; color: rgba(255,255,255,0.75); max-width: 700px; margin: 0 auto 48px; line-height: 1.7; }
.benefits { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.benefit { background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.15); border-radius: var(--radius); padding: 32px 24px; text-align: left; }
.benefit-icon { font-size: 2rem; margin-bottom: 16px; }
.benefit h4 { font-size: 1rem; font-weight: 700; color: var(--lime); margin-bottom: 10px; }
.benefit p { font-size: 0.9rem; color: rgba(255,255,255,0.8); line-height: 1.6; }

/* PILOT CTA */
.pilot { background: var(--lime); padding: 100px 24px; text-align: center; }
.pilot-inner { max-width: 820px; margin: 0 auto; }
.pilot-badge { display: inline-block; background: var(--green-dark); color: var(--lime); font-size: 0.8rem; font-weight: 700; padding: 8px 20px; border-radius: 100px; margin-bottom: 28px; letter-spacing: 0.06em; text-transform: uppercase; }
.pilot h2 { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 500; color: var(--green-dark); margin-bottom: 32px; letter-spacing: -0.02em; line-height: 1.1; }
.pilot-img-wrap { position: relative; display: block; margin-bottom: 32px; }
.pilot-img { width: 100%; border-radius: 20px; display: block; object-fit: cover; max-height: 440px; }
.pilot p { font-size: 1.05rem; color: var(--green-dark); line-height: 1.7; margin-bottom: 20px; }
.pilot-who { font-size: 0.95rem !important; opacity: 0.75; margin-bottom: 36px !important; max-width: 600px; margin-left: auto !important; margin-right: auto !important; text-align: center; }

/* CONTACT */
.contact { background: var(--white); padding: 100px 24px; text-align: center; }
.contact h2 { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 500; color: var(--green-dark); margin-bottom: 16px; letter-spacing: -0.02em; }
.contact p { font-size: 1.1rem; color: #555; margin-bottom: 36px; }
.cta-btn { display: inline-block; background: var(--green-dark); color: var(--lime); font-weight: 700; font-size: 1rem; text-decoration: none; padding: 18px 40px; border-radius: 100px; transition: background 0.2s, transform 0.2s; }
.cta-btn:hover { background: var(--green-mid); transform: scale(1.03); }
.cta-outline { background: transparent; color: var(--green-dark); border: 2px solid var(--green-dark); }
.cta-outline:hover { background: var(--green-dark); color: var(--lime); }

/* FOOTER */
footer { background: var(--green-dark); padding: 32px 24px; }
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-copy { color: rgba(255,255,255,0.5); font-size: 0.85rem; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .tactical-inner { grid-template-columns: 1fr; }
  .challenge-stats { grid-template-columns: 1fr; }
  .steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); margin: 0 auto; }
}
@media (max-width: 600px) {
  .hero-image-wrapper { aspect-ratio: 4/3; }
  .pilot-img { border-radius: 12px; }
  nav { padding: 0 16px; }
  .logo { font-size: 1rem; }
  .logo svg { width: 28px; height: 22px; }
  .nav-cta { font-size: 0.8rem; padding: 8px 14px; }
  .section-break-img .break-img { width: 90%; height: 200px; }
}
