/* =============================================
   Natural Asset Capital — Static Site Styles
   ============================================= */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Playfair+Display:wght@700&display=swap');

/* --- Custom Properties --- */
:root {
  --navy:         #0A1628;
  --navy-light:   #132240;
  --green-accent: #1B5E3B;
  --green-light:  #2D8B5E;
  --green-glow:   #34D399;
  --slate-300:    #CBD5E1;
  --slate-400:    #94A3B8;
  --slate-500:    #64748B;
  --slate-600:    #475569;
  --slate-700:    #334155;
  --white:        #ffffff;
  --font-sans:    'Inter', system-ui, sans-serif;
  --font-serif:   'Playfair Display', Georgia, serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: #ffffff;
  color: var(--slate-700);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; }

/* --- Custom Scrollbar --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--green-accent); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-light); }

/* =============================================
   LAYOUT HELPERS
   ============================================= */
.container {
  max-width: 80rem; /* 7xl */
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (min-width: 1024px) { .container { padding: 0 2rem; } }

/* =============================================
   NAVBAR
   ============================================= */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  transition: background 0.5s, box-shadow 0.5s;
}

#navbar.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
}

.nav-logo img {
  height: 3.5rem;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s;
}
.nav-logo:hover img { transform: scale(1.05); }

.nav-links {
  display: none;
  align-items: center;
  gap: 0.25rem;
}
@media (min-width: 768px) { .nav-links { display: flex; } }

.nav-links a {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: var(--slate-300);
  border-radius: 0.5rem;
  transition: color 0.3s, background 0.3s;
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.1); }

.nav-cta {
  margin-left: 1rem;
  padding: 0.625rem 1.25rem;
  background: var(--green-accent);
  color: var(--white) !important;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 0.5rem;
  transition: background 0.3s, box-shadow 0.3s !important;
}
.nav-cta:hover {
  background: var(--green-light) !important;
  box-shadow: 0 4px 20px rgba(27,94,59,0.25);
}

/* Hamburger */
#hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  color: var(--white);
}
@media (min-width: 768px) { #hamburger { display: none; } }

/* Mobile Menu */
#mobile-menu {
  display: none;
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255,255,255,0.1);
  overflow: hidden;
}
#mobile-menu.open { display: block; }

.mobile-menu-inner {
  padding: 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.mobile-menu-inner a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--slate-300);
  border-radius: 0.5rem;
  transition: color 0.3s, background 0.3s;
}
.mobile-menu-inner a:hover { color: var(--white); background: rgba(255,255,255,0.1); }
.mobile-menu-inner .mobile-cta {
  margin-top: 1rem;
  background: var(--green-accent);
  color: var(--white);
  text-align: center;
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  font-weight: 500;
  transition: background 0.3s;
}
.mobile-menu-inner .mobile-cta:hover { background: var(--green-light); color: var(--white); }

/* =============================================
   HERO
   ============================================= */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Animated gradient */
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(-45deg, #0A1628, #132240, #1B5E3B, #0A1628, #1B5E3B);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

/* Grid overlay */
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image:
    linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* Particles */
#particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

@keyframes floatUp {
  0%,100% { transform: translateY(0) translateX(0); opacity: 0; }
  10%      { opacity: 1; }
  90%      { opacity: 1; }
  100%     { transform: translateY(-100vh) translateX(50px); opacity: 0; }
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(45, 139, 94, 0.4);
  animation: floatUp linear infinite;
}

/* Hero content */
.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 0 1.5rem;
  max-width: 64rem;
  margin: 0 auto;
}

/* Entrance animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  border: 1px solid rgba(27,94,59,0.3);
  background: rgba(27,94,59,0.1);
  margin-bottom: 2rem;
  animation: fadeUp 0.8s ease 0.2s both;
}
.hero-badge-dot {
  width: 0.5rem; height: 0.5rem;
  border-radius: 50%;
  background: var(--green-light);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.85); }
}
.hero-badge span {
  color: var(--green-light);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.05;
  letter-spacing: -0.02em;
  animation: fadeUp 0.8s ease 0.4s both;
}
.hero-title-gradient {
  background: linear-gradient(to right, var(--green-light), var(--green-glow));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  margin-top: 2rem;
  font-size: 1.125rem;
  color: var(--slate-300);
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.75;
  animation: fadeUp 0.8s ease 0.6s both;
}
@media (min-width: 768px) { .hero-desc { font-size: 1.25rem; } }

.hero-buttons {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  animation: fadeUp 0.8s ease 0.8s both;
}
@media (min-width: 640px) { .hero-buttons { flex-direction: row; } }

.btn-primary {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--green-accent);
  color: var(--white);
  font-weight: 500;
  border-radius: 0.75rem;
  transition: background 0.3s, box-shadow 0.3s, transform 0.3s;
}
.btn-primary:hover {
  background: var(--green-light);
  box-shadow: 0 12px 32px rgba(27,94,59,0.2);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-block;
  padding: 1rem 2rem;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--white);
  font-weight: 500;
  border-radius: 0.75rem;
  transition: border-color 0.3s, background 0.3s;
}
.btn-secondary:hover {
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.05);
}

/* Scroll indicator */
@keyframes bounceSlow {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(12px); }
}
.scroll-indicator {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  animation: bounceSlow 2s ease-in-out infinite;
}
.scroll-indicator span {
  color: var(--slate-400);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.scroll-indicator svg { color: var(--slate-400); }

/* =============================================
   ABOUT
   ============================================= */
#about {
  position: relative;
  padding: 7rem 0;
  background: #ffffff;
  overflow: hidden;
}

.about-deco {
  position: absolute;
  top: 0; right: 0;
  width: 50%; height: 100%;
  opacity: 0.02;
  pointer-events: none;
}

.about-grid {
  display: grid;
  gap: 4rem;
  align-items: center;
}
@media (min-width: 1024px) { .about-grid { grid-template-columns: 1fr 1fr; } }

/* Left column */
.about-label {
  color: var(--green-accent);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.about-heading {
  margin-top: 1rem;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
}
.about-body {
  margin-top: 1.5rem;
  font-size: 1.125rem;
  color: var(--slate-600);
  line-height: 1.75;
}
.about-body + .about-body { margin-top: 1rem; }

.about-badges {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.about-badge-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.about-badge-icon {
  width: 3rem; height: 3rem;
  border-radius: 50%;
  background: rgba(27,94,59,0.1);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.about-badge-item span {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate-700);
}

/* Pillar cards */
.pillars { display: flex; flex-direction: column; gap: 1.25rem; }

.pillar-card {
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid #F1F5F9;
  background: #ffffff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  transition: box-shadow 0.3s, border-color 0.3s;
}
.pillar-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  border-color: rgba(27,94,59,0.2);
}
.pillar-icon {
  width: 3rem; height: 3rem;
  border-radius: 0.75rem;
  background: rgba(27,94,59,0.1);
  display: flex; align-items: center; justify-content: center;
  color: var(--green-accent);
  flex-shrink: 0;
  transition: background 0.3s, color 0.3s;
}
.pillar-card:hover .pillar-icon {
  background: var(--green-accent);
  color: var(--white);
}
.pillar-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--navy);
}
.pillar-desc {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--slate-500);
  line-height: 1.6;
}

/* =============================================
   CONTACT
   ============================================= */
#contact {
  position: relative;
  padding: 7rem 0;
  background: var(--navy-light);
  overflow: hidden;
}
.contact-top-line {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(27,94,59,0.3), transparent);
}

.contact-header { text-align: center; margin-bottom: 4rem; }
.contact-label {
  color: var(--green-light);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.contact-heading {
  margin-top: 1rem;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--white);
}
.contact-subhead {
  margin-top: 1rem;
  font-size: 1.125rem;
  color: var(--slate-400);
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

.contact-single {
  max-width: 36rem;
  margin: 0 auto;
}

/* Contact info */
.contact-info-heading {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 1.5rem;
}
.contact-items { display: flex; flex-direction: column; gap: 1.25rem; }

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-radius: 0.75rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  transition: border-color 0.3s;
}
a.contact-item:hover { border-color: rgba(27,94,59,0.3); }

.contact-item-icon {
  width: 3rem; height: 3rem;
  border-radius: 0.75rem;
  background: rgba(27,94,59,0.1);
  display: flex; align-items: center; justify-content: center;
  color: var(--green-light);
  flex-shrink: 0;
  transition: background 0.3s;
}
a.contact-item:hover .contact-item-icon { background: rgba(27,94,59,0.2); }

.contact-item-label {
  font-size: 0.875rem;
  color: var(--slate-400);
}
.contact-item-value {
  color: var(--white);
  font-weight: 500;
}

.partnership-card {
  margin-top: 2rem;
  padding: 1.5rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(27,94,59,0.1), rgba(27,94,59,0.05));
  border: 1px solid rgba(27,94,59,0.2);
}
.partnership-card h4 {
  color: var(--white);
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.partnership-card p {
  color: var(--slate-400);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* =============================================
   FOOTER
   ============================================= */
footer {
  background: var(--navy);
  padding: 2.5rem 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-logo img {
  height: 2.5rem;
  width: auto;
  object-fit: contain;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.footer-links a {
  font-size: 0.875rem;
  color: var(--slate-400);
  transition: color 0.3s;
}
.footer-links a:hover { color: var(--white); }

.footer-copy {
  font-size: 0.875rem;
  color: var(--slate-500);
}

/* =============================================
   SCROLL-REVEAL ANIMATIONS
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.from-left  { transform: translateX(-40px); }
.reveal.from-right { transform: translateX(40px); }
.reveal.visible {
  opacity: 1;
  transform: translate(0);
}
.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.30s; }