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

:root {
  --green: #3d6b1e;
  --green-light: #4d8526;
  --green-dark: #2c4e15;
  --white: #ffffff;
  --off-white: #f8f8f6;
  --charcoal: #1a1a1a;
  --mid-gray: #555;
  --light-gray: #e8e8e6;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition: 0.3s ease;
  --shadow: 0 4px 24px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.16);
}

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

body {
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--white);
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; line-height: 1.15; }
h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p { line-height: 1.75; color: var(--mid-gray); }

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.75rem;
}

.section-title {
  color: var(--charcoal);
  margin-bottom: 1rem;
}

.section-sub {
  max-width: 560px;
  margin: 0 auto 3rem;
  font-size: 1.05rem;
  text-align: center;
}

.text-center { text-align: center; }
.text-left { text-align: left; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2.2rem;
  border-radius: 4px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.btn-primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(61,107,30,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.7);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
}

/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
  background: var(--white);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  padding: 0.75rem 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.nav-logo img {
  height: 68px;
  width: 68px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center center;
  border: 2px solid rgba(255,255,255,0.3);
  transition: border-color var(--transition);
}
#navbar.scrolled .nav-logo img { border-color: var(--light-gray); }

.nav-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.2;
  color: var(--white);
  transition: color var(--transition);
  max-width: 180px;
}
#navbar.scrolled .nav-brand { color: var(--charcoal); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  position: relative;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 2px;
  background: var(--green);
  transition: width var(--transition);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link:hover { color: var(--white); }

#navbar.scrolled .nav-link { color: var(--charcoal); }
#navbar.scrolled .nav-link:hover { color: var(--green); }

.nav-cta {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  padding: 0.6rem 1.4rem;
  background: var(--green);
  color: var(--white);
  border-radius: 4px;
  transition: var(--transition);
}
.nav-cta:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(61,107,30,0.35);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
#navbar.scrolled .hamburger span { background: var(--charcoal); }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
#hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero-slide.active { opacity: 1; }

.hero-slide:nth-child(1) { background-image: url('images/hero2.jpg'); }
.hero-slide:nth-child(2) { background-image: url('images/project4/p4_2.jpg'); }
.hero-slide:nth-child(3) { background-image: url('images/project3/p3_3.jpg'); }
.hero-slide:nth-child(4) { background-image: url('images/hero3.jpg'); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,20,5,0.72) 0%, rgba(10,20,5,0.45) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 1.5rem;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(61,107,30,0.9);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.45rem 1.1rem;
  border-radius: 2px;
  margin-bottom: 1.5rem;
}

.hero-title {
  color: var(--white);
  margin-bottom: 1.2rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero-sub {
  color: rgba(255,255,255,0.88);
  font-size: clamp(1rem, 2vw, 1.2rem);
  margin-bottom: 2.5rem;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.7);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  font-family: var(--font-heading);
  text-transform: uppercase;
}
.hero-scroll-line {
  width: 1px; height: 40px;
  background: rgba(255,255,255,0.4);
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(0.5); }
}

/* ===== SECTIONS ===== */
section { padding: 6rem 0; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ===== SERVICES ===== */
#services { background: var(--off-white); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.service-card {
  background: var(--white);
  border-radius: 8px;
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow);
  border-bottom: 3px solid transparent;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--green);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 56px; height: 56px;
  background: rgba(61,107,30,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}
.service-icon svg { width: 28px; height: 28px; stroke: var(--green); fill: none; stroke-width: 1.8; }

.service-card h3 {
  color: var(--charcoal);
  margin-bottom: 0.75rem;
}

/* ===== WHY US ===== */
#why-us { background: var(--white); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.why-item {
  text-align: center;
  padding: 2rem 1.5rem;
  border-radius: 8px;
  transition: var(--transition);
}
.why-item:hover {
  background: var(--off-white);
  transform: translateY(-4px);
}

.why-icon {
  width: 64px; height: 64px;
  background: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}
.why-icon svg { width: 30px; height: 30px; stroke: var(--white); fill: none; stroke-width: 1.8; }

.why-item h3 {
  margin-bottom: 0.5rem;
  font-size: 1rem;
}
.why-item p { font-size: 0.9rem; }

/* ===== GALLERY ===== */
#gallery { background: var(--charcoal); }
#gallery .section-title { color: var(--white); }
#gallery .section-tag { color: #6fcf42; }
#gallery .section-sub { color: rgba(255,255,255,0.6); }

.gallery-filter {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-btn {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 1.3rem;
  border-radius: 3px;
  border: 1.5px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.65);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  grid-auto-flow: dense;
  gap: 8px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
}
.gallery-item.wide { grid-column: span 2; }
.gallery-item.tall { grid-row: span 2; }

.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.gallery-item:hover img { transform: scale(1.07); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,20,5,0.8) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-label {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  margin-bottom: 0.25rem;
}
.gallery-title {
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
}

.gallery-zoom {
  position: absolute;
  top: 1rem; right: 1rem;
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: var(--transition);
}
.gallery-item:hover .gallery-zoom {
  opacity: 1;
  transform: scale(1);
}
.gallery-zoom svg { width: 16px; height: 16px; stroke: white; fill: none; }

/* ===== ABOUT ===== */
#about { background: var(--off-white); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}
.about-image-wrap::before {
  content: '';
  position: absolute;
  top: -16px; left: -16px;
  right: 16px; bottom: 16px;
  border: 3px solid var(--green);
  border-radius: 8px;
  z-index: 0;
}
.about-image-wrap img {
  position: relative;
  z-index: 1;
  border-radius: 8px;
  width: 100%;
  height: 480px;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}

.about-badge {
  position: absolute;
  bottom: -20px; right: -20px;
  z-index: 2;
  background: var(--green);
  color: var(--white);
  padding: 1.25rem 1.5rem;
  border-radius: 8px;
  text-align: center;
  box-shadow: var(--shadow);
}
.about-badge-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
}
.about-badge-text {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.85;
  margin-top: 0.25rem;
}

.about-text .section-tag { display: block; }
.about-text .section-title { text-align: left; }
.about-text > p { margin-bottom: 1.75rem; }

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--light-gray);
}
.stat-item { text-align: center; }
.stat-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--green);
  line-height: 1;
}
.stat-label {
  font-size: 0.82rem;
  color: var(--mid-gray);
  margin-top: 0.35rem;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

/* ===== CONTACT ===== */
#contact { background: var(--white); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  align-items: start;
}

.contact-info h2 { text-align: left; margin-bottom: 1rem; }
.contact-info > p { margin-bottom: 2rem; }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contact-item-icon {
  width: 44px; height: 44px;
  background: rgba(61,107,30,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-item-icon svg { width: 20px; height: 20px; stroke: var(--green); fill: none; stroke-width: 2; }
.contact-item-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green);
  margin-bottom: 0.2rem;
}
.contact-item-value {
  font-size: 0.98rem;
  color: var(--charcoal);
  font-weight: 500;
}

.contact-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 2rem;
}
.social-link {
  width: 42px; height: 42px;
  background: var(--off-white);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.social-link:hover { background: var(--green); }
.social-link svg { width: 18px; height: 18px; fill: var(--mid-gray); stroke: var(--mid-gray); transition: fill var(--transition), stroke var(--transition); }
.social-link:hover svg { fill: var(--white); stroke: var(--white); }

.contact-form {
  background: var(--off-white);
  border-radius: 12px;
  padding: 2.5rem;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--charcoal);
  margin-bottom: 0.5rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--light-gray);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--charcoal);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23555' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  padding-right: 2.5rem;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(61,107,30,0.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.btn-submit {
  width: 100%;
  justify-content: center;
  padding: 1rem 2rem;
  font-size: 1rem;
  border-radius: 6px;
  border: none;
}
.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.fs-success {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--charcoal);
}
.fs-success h3 {
  font-size: 1.5rem;
  color: var(--green);
  margin: 1rem 0 0.5rem;
}
.fs-success p { color: var(--mid-gray); }

.fs-error-global {
  background: #fff3f3;
  border: 1px solid #ffcdd2;
  color: #c62828;
  padding: 0.85rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.fs-field-error {
  display: block;
  color: #c62828;
  font-size: 0.78rem;
  margin-top: 0.3rem;
  font-family: var(--font-heading);
}

/* ===== FOOTER ===== */
#footer {
  background: var(--charcoal);
  padding: 3.5rem 0 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}
.footer-brand img {
  height: 68px; width: 68px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center center;
  border: 2px solid rgba(255,255,255,0.2);
}
.footer-brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--white);
  line-height: 1.25;
  max-width: 160px;
}

.footer-desc {
  color: rgba(255,255,255,0.45);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.footer-links a {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--white); }

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
}
.footer-contact-item svg {
  width: 16px; height: 16px;
  stroke: var(--green);
  fill: none;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-copy {
  color: rgba(255,255,255,0.35);
  font-size: 0.85rem;
}
.footer-social {
  display: flex;
  gap: 0.6rem;
}
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 6px;
  background: rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.footer-social a:hover { background: var(--green); }
.footer-social svg { width: 16px; height: 16px; fill: rgba(255,255,255,0.6); transition: fill var(--transition); }
.footer-social a:hover svg { fill: var(--white); }

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.lightbox.active { opacity: 1; pointer-events: all; }

.lightbox-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}
.lightbox-inner img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 4px;
}
.lightbox-close {
  position: absolute;
  top: -44px; right: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: rgba(255,255,255,0.75);
  font-size: 2rem;
  line-height: 1;
  transition: color var(--transition);
}
.lightbox-close:hover { color: var(--white); }

.lightbox-prev, .lightbox-next {
  position: fixed;
  top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(4px);
  border: none;
  color: white;
  cursor: pointer;
  padding: 1rem 0.8rem;
  transition: background var(--transition);
  border-radius: 4px;
}
.lightbox-prev:hover, .lightbox-next:hover { background: var(--green); }
.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }
.lightbox-prev svg, .lightbox-next svg { width: 22px; height: 22px; stroke: white; fill: none; stroke-width: 2.5; }

.lightbox-caption {
  position: absolute;
  bottom: -40px; left: 0; right: 0;
  text-align: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  font-family: var(--font-heading);
  letter-spacing: 0.06em;
}

/* ===== SCROLL PROGRESS BAR ===== */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--green-light));
  z-index: 10000;
  transition: width 0.08s linear;
  box-shadow: 0 0 8px rgba(61,107,30,0.6);
}

/* ===== BACK TO TOP ===== */
#back-to-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  z-index: 999;
  width: 46px; height: 46px;
  background: var(--green);
  color: var(--white);
  border-radius: 8px;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.35s ease, transform 0.35s ease, background var(--transition);
  pointer-events: none;
}
#back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: all; }
#back-to-top:hover { background: var(--green-dark); }
#back-to-top svg { width: 20px; height: 20px; stroke: white; fill: none; stroke-width: 2.5; }

/* ===== SCROLL ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-left {
  opacity: 0;
  transform: translateX(-48px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.fade-left.visible { opacity: 1; transform: translateX(0); }

.fade-right {
  opacity: 0;
  transform: translateX(48px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.fade-right.visible { opacity: 1; transform: translateX(0); }

.fade-up-delay-1 { transition-delay: 0.08s; }
.fade-up-delay-2 { transition-delay: 0.16s; }
.fade-up-delay-3 { transition-delay: 0.24s; }
.fade-up-delay-4 { transition-delay: 0.32s; }
.fade-up-delay-5 { transition-delay: 0.40s; }

/* Parallax hero */
.hero-slider { will-change: transform; }

/* ===== MOBILE NAV OVERLAY ===== */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 998;
}
.nav-overlay.show { display: block; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-image-wrap::before { display: none; }
  .about-image-wrap img { height: 380px; }
  .about-badge { right: 1rem; bottom: 1rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .contact-info h2 { text-align: center; }
  .contact-info { text-align: center; }
  .contact-details { align-items: center; }
  .contact-item { flex-direction: column; align-items: center; text-align: center; }
  .contact-social { justify-content: center; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  section { padding: 4rem 0; }
  .hamburger { display: flex; }

  .nav-menu {
    position: fixed;
    top: 0; right: -100%;
    width: min(320px, 80vw);
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 2.5rem 2rem;
    gap: 0;
    z-index: 999;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -8px 0 40px rgba(0,0,0,0.15);
  }
  .nav-menu.open { right: 0; }

  .nav-link {
    color: var(--charcoal);
    font-size: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--light-gray);
    width: 100%;
  }
  .nav-cta {
    margin-top: 1.5rem;
    width: 100%;
    text-align: center;
    display: block;
    padding: 0.85rem 1.4rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 180px;
  }
  .gallery-item.wide, .gallery-item.tall { grid-column: span 1; grid-row: span 1; }

  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .hero-actions { flex-direction: column; align-items: center; }
  .about-stats { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .stat-item:last-child { grid-column: span 2; }
}