:root {
  --green-main: #24783A;
  --green-dark: #184f28;
  --green-soft: #edf7ef;
  --green-border: rgba(36, 120, 58, 0.14);
  --text-dark: #171717;
  --text-soft: #666666;
  --white: #ffffff;
  --bg-soft: #f8fbf8;
  --shadow-soft: 0 16px 40px rgba(20, 60, 30, 0.08);
  --shadow-strong: 0 22px 60px rgba(20, 60, 30, 0.12);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --transition: all 0.35s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--text-dark);
  background: #ffffff;
  overflow-x: hidden;
}

img,
video {
  width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

.section-pad {
  padding: 110px 6%;
  position: relative;
  overflow: hidden;
}

.section-head {
  max-width: 900px;
  margin: 0 auto 60px;
  text-align: center;
}

.section-tag {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--green-main);
}


.light-tag {
  color: #dceede;
}

.section-head h2,
.standards-left h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: 18px;
}

.section-head p,
.about-card p,
.service-card p,
.standards-card p,
.network-item p,
.video-caption p {
  color: var(--text-soft);
  line-height: 1.85;
  font-size: 1rem;
  
}

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(36, 120, 58, 0.08);
  transition: transform 0.35s ease, background 0.35s ease, box-shadow 0.35s ease;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.06);
}

.navbar.nav-hidden {
  transform: translateY(-100%);
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 18px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 54px;
  height: 54px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-name {
  font-size: 1.04rem;
  font-weight: 800;
  color: var(--green-dark);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-menu a {
  position: relative;
  font-size: 0.94rem;
  font-weight: 700;
  color: #202020;
  transition: var(--transition);
}

.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -7px;
  width: 0;
  height: 2px;
  background: var(--green-main);
  transition: var(--transition);
}

.nav-menu a:hover::after {
  width: 100%;
}

.nav-menu a:hover {
  color: var(--green-main);
}

.nav-cta {
  padding: 12px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--green-main), #2f8a46);
  color: #fff !important;
  box-shadow: 0 10px 24px rgba(36, 120, 58, 0.2);
}

.nav-cta::after {
  display: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  margin: 6px 0;
  background: var(--green-main);
}

/* HERO - gradient */
.hero {
  min-height: 100vh;
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 40px;
  padding: 145px 6% 90px;
  background: linear-gradient(135deg, #edf7ef 0%, #dceede 100%);
  overflow: hidden;
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 20%, rgba(36, 120, 58, 0.12), transparent 34%),
    radial-gradient(circle at 82% 30%, rgba(36, 120, 58, 0.08), transparent 30%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(36, 120, 58, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 120, 58, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.75), transparent);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(30px);
  animation: floatGlow 10s ease-in-out infinite;
}

.glow-1 {
  width: 240px;
  height: 240px;
  background: rgba(36, 120, 58, 0.08);
  top: 5%;
  left: -40px;
}

.glow-2 {
  width: 320px;
  height: 320px;
  background: rgba(36, 120, 58, 0.08);
  bottom: -120px;
  right: -70px;
  animation-delay: 1.5s;
}

.hero-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(36, 120, 58, 0.35), transparent);
}

.line-1 {
  width: 360px;
  top: 24%;
  right: 16%;
  animation: moveLine 7s linear infinite;
}

.line-2 {
  width: 240px;
  bottom: 22%;
  left: 8%;
  animation: moveLine 7s linear infinite 2s;
}

.hero-content,
.hero-visual {
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.7rem);
  line-height: 0.96;
  font-weight: 900;
  color: var(--green-dark);
  margin-bottom: 18px;
}

.hero-sub {
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.8;
  color: #355f40;
  max-width: 720px;
  margin-bottom: 18px;
}

.hero-text {
  max-width: 700px;
  margin-bottom: 34px;
  line-height: 1.9;
  color: #5c6b60;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  padding: 15px 24px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--green-main), #2e8d46);
  color: #fff;
  box-shadow: 0 12px 28px rgba(36, 120, 58, 0.18);
}

.btn-primary:hover,
.btn-secondary:hover {
  transform: translateY(-3px);
}

.btn-secondary {
  background: rgba(255,255,255,0.84);
  border: 1px solid rgba(36, 120, 58, 0.16);
  color: var(--green-main);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: flex-end;
}

.hero-image-shell {
  max-width: 500px;
  width: 100%;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.10));
}

.hero-image-shell img {
  width: 100%;
  height: auto;
  object-fit: contain;
}



.hero-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 210px;
  padding: 16px 28px;
  border-radius: 999px;
  background: linear-gradient(135deg, #2d7e35 0%, #17451f 100%);
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  box-shadow: 0 14px 30px rgba(28, 82, 34, 0.22);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(28, 82, 34, 0.28);
}

.hero-btn.alt {
  background: linear-gradient(135deg, #D9EF7A 0%, #87bc44 100%);
  color: #16391d;
}
/* ABOUT - plain */
.about {
  background: #ffffff;
}

.about-grid {
  max-width: 1350px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 30px;
  align-items: center;
}

.about-card {
  background: linear-gradient(135deg, #ffffff, #f8fbf8);
  border: 1px solid var(--green-border);
  border-radius: var(--radius-xl);
  padding: 38px;
  box-shadow: var(--shadow-soft);
}

.about-card p + p {
  margin-top: 18px;
}

.about-stack {
  display: grid;
  gap: 20px;
}

.about-image-card {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.about-image-card.large img {
  height: 340px;
  object-fit: cover;
}

.about-image-card.small img {
  height: 210px;
  object-fit: cover;
}

/* SERVICES - gradient */
.services {
  background: linear-gradient(180deg, #f0f8f1 0%, #e5f3e8 100%);
}

.services-grid {
  max-width: 1350px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: rgba(255,255,255,0.82);
  border: 1px solid var(--green-border);
  border-radius: 28px;
  padding: 28px;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
}

.service-no {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, #e7f6eb, #d8f0de);
  color: var(--green-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  margin-bottom: 18px;
}

.service-card h3 {
  font-size: 1.22rem;
  color: var(--green-dark);
  margin-bottom: 12px;
}

.service-image {
  border-radius: 20px;
  overflow: hidden;
  margin-top: 20px;
}

.service-image img {
  height: 230px;
  object-fit: cover;
}

/* STANDARDS - plain dark card section */
.standards {
  background: #ffffff;
}

.standards-wrap {
  max-width: 1350px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 34px;
  align-items: center;
}

.standards {
  position: relative;
}

.standards::before {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  background: rgba(36, 120, 58, 0.06);
  filter: blur(90px);
  top: 60px;
  right: -80px;
}

.standards-left h2 {
  color: var(--green-dark);
}

.standards-card {
  background: linear-gradient(135deg, #1f5f30, #24783A);
  border-radius: 30px;
  padding: 42px;
  box-shadow: var(--shadow-strong);
  position: relative;
  overflow: hidden;
}

.standards-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 0%, rgba(255,255,255,0.10) 50%, transparent 100%);
  transform: translateX(-100%);
  animation: sweep 6s linear infinite;
}

.standards-card p {
  color: rgba(255,255,255,0.92);
  position: relative;
  z-index: 1;
}

.standards-card p + p {
  margin-top: 16px;
}

/* NETWORK - gradient */
.network {
  background: linear-gradient(135deg, #edf7ef 0%, #dceede 100%);
}

.network-grid {
  max-width: 1350px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 34px;
  align-items: center;
}

.network-map {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  background: rgba(255,255,255,0.65);
  border: 1px solid var(--green-border);
}

.network-map img {
  height: 420px;
  object-fit: cover;
}

.network-list {
  display: grid;
  gap: 22px;
}

.network-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 24px;
  background: rgba(255,255,255,0.82);
  border: 1px solid var(--green-border);
  border-radius: 22px;
  box-shadow: var(--shadow-soft);
}

.network-item h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
  color: var(--green-dark);
}

.dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  margin-top: 7px;
  background: var(--green-main);
  box-shadow: 0 0 0 7px rgba(36, 120, 58, 0.12);
}

/* VIDEO - plain */
.partnership {
  background: #ffffff;
}

.video-shell {
  max-width: 1280px;
  margin: 0 auto;
  background: linear-gradient(135deg, #ffffff, #f7fbf8);
  border: 1px solid var(--green-border);
  border-radius: 30px;
  padding: 28px;
  box-shadow: var(--shadow-soft);
}

.video-shell video {
  width: 100%;
  display: block;
  border-radius: 22px;
  max-height: 620px;
  object-fit: cover;
  background: #000;
}
.video-caption {
  margin-top: 22px;
}

.video-caption h3 {
  font-size: 1.5rem;
  color: var(--green-dark);
  margin-bottom: 10px;
}

/* FOOTER */
.footer {
  background: #123a1f;
  color: rgba(255,255,255,0.82);
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 30px;
  text-align: center;
  font-size: 0.94rem;
}

/* REVEAL */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: 0.9s ease;
}

.reveal-up { transform: translateY(50px); }
.reveal-left { transform: translateX(-50px); }
.reveal-right { transform: translateX(50px); }

.reveal-up.active,
.reveal-left.active,
.reveal-right.active {
  opacity: 1;
  transform: translate(0, 0);
}

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }
.delay-4 { transition-delay: 0.6s; }

/* ANIMATION */
@keyframes floatGlow {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-16px); }
}

@keyframes moveLine {
  0% { transform: translateX(0); opacity: 0.35; }
  50% { opacity: 1; }
  100% { transform: translateX(80px); opacity: 0.35; }
}

@keyframes sweep {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(120%); }
}

/* RESPONSIVE */
@media (max-width: 1150px) {
  .hero,
  .about-grid,
  .standards-wrap,
  .network-grid {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    right: 18px;
    width: 250px;
    padding: 20px;
    background: rgba(255,255,255,0.98);
    border: 1px solid rgba(36, 120, 58, 0.08);
    border-radius: 18px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: 0.3s ease;
  }

  .nav-menu.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .hero {
    padding: 135px 6% 80px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    text-align: center;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .nav-inner {
    padding: 16px 20px;
  }

  .section-pad {
    padding: 90px 6%;
  }
}

@media (max-width: 560px) {
  .brand-logo {
    width: 46px;
    height: 46px;
  }

  .brand-name {
    font-size: 0.95rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .section-head h2,
  .standards-left h2 {
    font-size: 2rem;
  }

  .about-card,
  .service-card,
  .standards-card,
  .network-item,
  .video-shell {
    padding: 22px;
  }

  .hero-image-shell {
    max-width: 360px;
  }

  .about-image-card.large img,
  .network-map img {
    height: 280px;
  }

  .service-image img {
    height: 200px;
  }
}