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

:root {
  --green-deep: #0a2418;
  --green-dark: #0f2d1f;
  --green-mid: #1a3d2a;
  --green-light: #2d5c3e;
  --amber: #c8963e;
  --amber-light: #d4ab55;
  --amber-dark: #a67a2a;
  --cream: #faf7f2;
  --cream-dark: #f0ebe0;
  --cream-mid: #e8e0d0;
  --ink: #1a1a18;
  --ink-soft: #3a3a35;
  --ink-muted: #6b6b63;
}

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

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--amber); color: var(--cream); }

/* --- TYPOGRAPHY --- */
h1, h2, h3 { font-family: 'Fraunces', Georgia, serif; font-weight: 900; line-height: 1.1; }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); font-weight: 700; }

em { font-style: italic; color: var(--amber); }

.section-tag {
  display: inline-block;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1rem;
}

.section-title {
  color: var(--green-deep);
  margin-bottom: 3rem;
}

/* --- HERO --- */
.hero {
  min-height: 100vh;
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-layer {
  position: absolute;
  inset: 0;
}

.layer-1 {
  background: linear-gradient(135deg, var(--green-deep) 0%, var(--green-dark) 50%, #0d2a1a 100%);
}

.layer-2 {
  background: linear-gradient(180deg, transparent 0%, rgba(200,150,62,0.08) 100%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
}

.orb-1 {
  width: 400px; height: 400px;
  background: var(--amber);
  top: -100px; right: -100px;
  opacity: 0.15;
}

.orb-2 {
  width: 300px; height: 300px;
  background: var(--green-light);
  bottom: -50px; left: 20%;
  opacity: 0.2;
}

.hero-geo {
  position: absolute;
  border: 1px solid rgba(200,150,62,0.15);
}

.geo-1 {
  width: 200px; height: 200px;
  border-radius: 50%;
  top: 10%; left: 5%;
  border-color: rgba(200,150,62,0.1);
}

.geo-2 {
  width: 80px; height: 80px;
  bottom: 20%; right: 10%;
  transform: rotate(45deg);
  border-color: rgba(200,150,62,0.12);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 4rem 5rem 6rem;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.eyebrow-line {
  display: block;
  width: 40px;
  height: 2px;
  background: var(--amber);
}

.eyebrow-text {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  opacity: 0.8;
}

.hero-headline {
  font-size: clamp(3rem, 6vw, 5.5rem);
  color: var(--cream);
  margin-bottom: 2rem;
  font-weight: 900;
  line-height: 1.05;
}

.hero-headline em {
  color: var(--amber);
  font-style: italic;
}

.hero-sub {
  font-size: 1.05rem;
  color: rgba(250,247,242,0.75);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 3rem;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.meta-item { display: flex; flex-direction: column; }

.meta-num {
  font-family: 'Fraunces', serif;
  font-size: 2rem;
  font-weight: 900;
  color: var(--amber);
  line-height: 1;
}

.meta-label {
  font-size: 0.7rem;
  color: rgba(250,247,242,0.6);
  margin-top: 0.3rem;
  letter-spacing: 0.05em;
}

.meta-divider {
  width: 1px;
  height: 40px;
  background: rgba(200,150,62,0.3);
}

/* HERO VISUAL */
.hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem;
}

.visual-frame {
  width: 100%;
  max-width: 460px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(200,150,62,0.2);
  border-radius: 4px;
  backdrop-filter: blur(10px);
}

.frame-inner {
  padding: 2.5rem;
}

.plant-schematic {
  margin-bottom: 2.5rem;
}

.schematic-label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.5rem;
  opacity: 0.8;
}

.schematic-bar {
  height: 6px;
  background: linear-gradient(90deg, var(--amber) 0%, rgba(200,150,62,0.3) 100%);
  margin-bottom: 0.4rem;
  border-radius: 2px;
}

.bar-1 { width: 100%; }
.bar-2 { width: 75%; }
.bar-3 { width: 60%; }

.schematic-flow {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 1.5rem 0;
}

.flow-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--amber);
  flex-shrink: 0;
}

.flow-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--amber) 0%, rgba(200,150,62,0.3) 100%);
}

.schematic-output {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.output-block {
  height: 40px;
  flex: 1;
  border-radius: 2px;
}

.op-1 { background: linear-gradient(135deg, var(--amber) 0%, var(--amber-dark) 100%); }
.op-2 { background: linear-gradient(135deg, var(--green-light) 0%, var(--green-mid) 100%); opacity: 0.7; }
.op-3 { background: linear-gradient(135deg, rgba(200,150,62,0.4) 0%, rgba(200,150,62,0.15) 100%); }

.plant-stats {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(200,150,62,0.15);
}

.stat-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: rgba(250,247,242,0.7);
}

.stat-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.sd-1 { background: #4ade80; box-shadow: 0 0 6px #4ade80; }
.sd-2 { background: #4ade80; box-shadow: 0 0 6px #4ade80; }
.sd-3 { background: var(--amber); box-shadow: 0 0 6px var(--amber); }

/* --- HOW IT WORKS --- */
.how-it-works {
  background: var(--cream);
  padding: 8rem 6rem;
}

.section-header {
  max-width: 700px;
  margin-bottom: 4rem;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.process-card {
  background: white;
  border: 1px solid var(--cream-dark);
  border-radius: 4px;
  padding: 2.5rem;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.process-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(10,36,24,0.08);
}

.process-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber) 0%, var(--amber-dark) 100%);
  border-radius: 4px 4px 0 0;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.process-card:hover::before { opacity: 1; }

.card-number {
  font-family: 'Fraunces', serif;
  font-size: 4rem;
  font-weight: 900;
  color: var(--cream-mid);
  line-height: 1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.card-icon { margin-bottom: 1.5rem; }

.card-title {
  color: var(--green-deep);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.card-body {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card-list li {
  font-size: 0.8rem;
  color: var(--ink-muted);
  padding-left: 1.2rem;
  position: relative;
}

.card-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.55em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--amber);
}

.card-cta {
  display: inline-block;
  margin-top: 1.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--amber);
  letter-spacing: 0.02em;
}

/* --- GUARANTEES --- */
.guarantees {
  background: var(--green-deep);
  padding: 8rem 6rem;
}

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

.guarantees-header { margin-bottom: 4rem; }

.guarantees-header .section-tag { color: var(--amber); }
.guarantees-header .section-title { color: var(--cream); }

.guarantee-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.guarantee-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid rgba(200,150,62,0.12);
  align-items: start;
}

.guarantee-item:last-child { border-bottom: none; }

.guarantee-marker {
  width: 48px; height: 48px;
  border: 1px solid var(--amber);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.guarantee-marker::after {
  content: '';
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--amber);
  opacity: 0.4;
}

.guarantee-content h3 {
  color: var(--cream);
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.guarantee-content p {
  color: rgba(250,247,242,0.65);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 680px;
}

.guarantees-stats {
  display: flex;
  gap: 4rem;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(200,150,62,0.15);
}

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

.g-num {
  font-family: 'Fraunces', serif;
  font-size: 3rem;
  font-weight: 900;
  color: var(--amber);
  line-height: 1;
}

.g-label {
  font-size: 0.7rem;
  color: rgba(250,247,242,0.5);
  margin-top: 0.4rem;
  letter-spacing: 0.08em;
}

/* --- CLOSING --- */
.closing {
  background: linear-gradient(180deg, var(--green-deep) 0%, #071a0e 100%);
  padding: 10rem 6rem;
  text-align: center;
}

.closing-inner { max-width: 800px; margin: 0 auto; }

.closing-badge {
  margin-bottom: 3rem;
  display: flex;
  justify-content: center;
}

.closing-headline {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  color: var(--cream);
  margin-bottom: 2rem;
  font-weight: 900;
}

.closing-body {
  font-size: 1.1rem;
  color: rgba(250,247,242,0.65);
  line-height: 1.8;
  margin-bottom: 3rem;
}

.closing-type { margin-top: 2rem; }

.closing-type-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(200,150,62,0.6);
  margin-bottom: 1rem;
}

.closing-types {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.type-tag {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--amber);
  background: rgba(200,150,62,0.1);
  border: 1px solid rgba(200,150,62,0.25);
  padding: 0.4rem 1rem;
  border-radius: 2px;
  letter-spacing: 0.05em;
}

/* --- FOOTER --- */
.site-footer {
  background: var(--cream-dark);
  padding: 3rem 6rem 2rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--cream-mid);
  margin-bottom: 1.5rem;
}

.footer-brand { display: flex; flex-direction: column; gap: 0.3rem; }

.footer-name {
  font-family: 'Fraunces', serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--green-deep);
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--ink-muted);
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-link {
  font-size: 0.8rem;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-link:hover { color: var(--amber); }

.footer-links-col {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1rem;
}

.footer-nav {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--green-mid);
  color: var(--cream);
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}

.social-link:hover {
  background: var(--amber);
  transform: translateY(-2px);
}

.footer-bottom p {
  font-size: 0.75rem;
  color: var(--ink-muted);
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-visual { display: none; }
  .hero-content { padding: 4rem 2rem; }
  .process-grid { grid-template-columns: 1fr; }
  .guarantee-item { grid-template-columns: 1fr; gap: 1rem; }
  .guarantees-stats { gap: 2rem; flex-wrap: wrap; }
  .how-it-works, .guarantees, .closing, .site-footer { padding: 4rem 2rem; }
  .footer-inner { flex-direction: column; gap: 1.5rem; align-items: flex-start; }
}

@media (max-width: 600px) {
  .hero-meta { flex-wrap: wrap; gap: 1rem; }
  .guarantees-stats { flex-direction: column; gap: 1.5rem; }
}

/* --- NAV --- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 20, 14, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(200, 150, 62, 0.15);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.875rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: 'Fraunces', serif;
  font-weight: 900;
  font-size: 1.25rem;
  color: var(--amber);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--cream-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--amber);
}

@media (max-width: 700px) {
  .nav-links { gap: 1rem; }
  .nav-link { font-size: 0.8rem; }
  .nav-inner { padding: 0.75rem 1rem; }
}