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

:root {
  --green-900: #0F2B1A;
  --green-800: #1A3C2A;
  --green-700: #234D36;
  --green-600: #2D6A4F;
  --green-500: #40916C;
  --green-400: #52B788;
  --green-300: #74C69D;
  --green-200: #95D5B2;
  --green-100: #B7E4C7;
  --green-50: #D8F3DC;
  --cream: #F5F2EB;
  --cream-light: #FAF8F4;
  --cream-dark: #EDE9E0;
  --white: #FFFFFF;
  --text-primary: #1A2E23;
  --text-secondary: #4A5C52;
  --text-muted: #7A8E84;
  --border: #E2DDD4;
  --shadow-sm: 0 1px 3px rgba(26, 60, 42, 0.06), 0 1px 2px rgba(26, 60, 42, 0.04);
  --shadow-md: 0 4px 16px rgba(26, 60, 42, 0.08), 0 2px 6px rgba(26, 60, 42, 0.05);
  --shadow-lg: 0 12px 40px rgba(26, 60, 42, 0.12), 0 4px 12px rgba(26, 60, 42, 0.07);
  --shadow-xl: 0 24px 60px rgba(26, 60, 42, 0.15), 0 8px 20px rgba(26, 60, 42, 0.08);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  background: var(--cream-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4 { font-family: 'DM Serif Display', Georgia, serif; font-weight: 400; line-height: 1.2; color: var(--green-800); }
h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 50px; font-weight: 500; font-size: 0.95rem;
  transition: var(--transition); white-space: nowrap;
}
.btn-primary { background: var(--green-700); color: var(--white); box-shadow: 0 4px 16px rgba(45, 106, 79, 0.3); }
.btn-primary:hover { background: var(--green-600); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(45, 106, 79, 0.35); }
.btn-outline-light { background: rgba(255,255,255,0.15); color: var(--white); border: 1.5px solid rgba(255,255,255,0.4); backdrop-filter: blur(8px); }
.btn-outline-light:hover { background: var(--white); color: var(--green-800); border-color: var(--white); }
.btn-outline-green { background: transparent; color: var(--green-700); border: 1.5px solid var(--green-300); }
.btn-outline-green:hover { background: var(--green-50); border-color: var(--green-500); }
.btn-ghost { background: var(--green-50); color: var(--green-700); border-radius: var(--radius-md); padding: 10px 20px; font-size: 0.9rem; }
.btn-ghost:hover { background: var(--green-100); }
.btn-sm { padding: 10px 20px; font-size: 0.88rem; }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-full { width: 100%; justify-content: center; }

/* ========== HEADER ========== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0; transition: var(--transition);
}
.header.scrolled {
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  padding: 12px 0;
}
.header .container { display: flex; align-items: center; justify-content: space-between; }

.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--green-700); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: 'DM Serif Display', serif; font-size: 1.3rem; font-style: italic;
}
.logo-text { font-family: 'DM Serif Display', serif; font-size: 1.25rem; color: var(--green-800); }

.nav { display: flex; align-items: center; gap: 32px; }
.nav a { font-size: 0.9rem; font-weight: 500; color: var(--text-secondary); transition: var(--transition); }
.nav a:hover { color: var(--green-700); }
.nav .btn { margin-left: 8px; }

.nav-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: var(--radius-sm); color: var(--green-800); transition: var(--transition); }
.nav-toggle:hover { background: var(--green-50); }

/* Mobile Nav */
.nav-overlay {
  position: fixed; inset: 0; z-index: 999;
  background: rgba(15, 43, 26, 0.5);
  backdrop-filter: blur(4px);
  opacity: 0; pointer-events: none; transition: var(--transition);
}
.nav-overlay.active { opacity: 1; pointer-events: all; }
.nav-overlay-inner {
  position: absolute; right: 0; top: 0; bottom: 0; width: min(320px, 85vw);
  background: var(--cream-light); padding: 80px 32px 32px;
  transform: translateX(100%); transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex; flex-direction: column; gap: 8px;
}
.nav-overlay.active .nav-overlay-inner { transform: translateX(0); }
.nav-overlay-link { font-size: 1.15rem; font-weight: 500; color: var(--text-primary); padding: 14px 0; border-bottom: 1px solid var(--border); transition: var(--transition); }
.nav-overlay-link:hover { color: var(--green-700); padding-left: 8px; }
.nav-overlay-cta { margin-top: 16px; text-align: center; }

/* ========== HERO ========== */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(15, 43, 26, 0.82) 0%, rgba(26, 60, 42, 0.70) 50%, rgba(45, 106, 79, 0.55) 100%);
}
.hero-content {
  position: relative; z-index: 2; padding: 120px 0 80px; max-width: 780px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px; padding: 8px 18px; margin-bottom: 28px;
  color: var(--green-100); font-size: 0.85rem; font-weight: 500;
  backdrop-filter: blur(8px);
}
.hero-title { color: var(--white); margin-bottom: 20px; letter-spacing: -0.02em; }
.hero-subtitle { font-size: clamp(1rem, 1.5vw, 1.2rem); color: rgba(255,255,255,0.8); max-width: 600px; margin-bottom: 36px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }
.hero-stats { display: flex; gap: 32px; align-items: center; }
.hero-stat { display: flex; flex-direction: column; gap: 4px; }
.stat-number { font-family: 'DM Serif Display', serif; font-size: 1.8rem; color: var(--white); }
.stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 0.08em; }
.hero-stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.2); }
.scroll-indicator {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.5); animation: bounce 2s infinite;
}
@keyframes bounce { 0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); } 40% { transform: translateX(-50%) translateY(8px); } 60% { transform: translateX(-50%) translateY(4px); } }

/* ========== SECTION COMMON ========== */
.section-header { margin-bottom: 56px; }
.section-header--centered { text-align: center; }
.section-tag {
  display: inline-block; font-size: 0.78rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--green-600); margin-bottom: 12px;
  background: var(--green-50); padding: 6px 14px; border-radius: 50px;
}
.section-title { margin-bottom: 16px; }
.section-subtitle { font-size: 1.05rem; color: var(--text-secondary); max-width: 600px; line-height: 1.7; }

/* ========== SERVICES ========== */
.services { padding: 100px 0; background: var(--cream-light); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 36px 28px;
  border: 1px solid var(--border); transition: var(--transition); position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--green-400), var(--green-600));
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--green-200); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 56px; height: 56px; border-radius: var(--radius-md);
  background: var(--green-50); color: var(--green-700);
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
  transition: var(--transition);
}
.service-card:hover .service-icon { background: var(--green-700); color: var(--white); }
.service-card h3 { margin-bottom: 10px; font-size: 1.2rem; }
.service-card p { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.7; }

/* ========== ABOUT ========== */
.about { padding: 100px 0; background: var(--cream); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-images { position: relative; }
.about-img-main { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); }
.about-img-main img { width: 100%; height: 450px; object-fit: cover; }
.about-img-float {
  position: absolute; bottom: -32px; right: -24px;
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-xl); border: 4px solid var(--cream);
}
.about-img-float img { width: 100%; height: 200px; object-fit: cover; }
.about-badge {
  position: absolute; top: -16px; left: -16px;
  background: var(--green-700); color: var(--white);
  border-radius: var(--radius-md); padding: 14px 20px;
  display: flex; align-items: center; gap: 10px; font-weight: 500; font-size: 0.9rem;
  box-shadow: var(--shadow-md);
}
.about-content .section-title { margin-bottom: 20px; }
.about-text { color: var(--text-secondary); margin-bottom: 16px; line-height: 1.8; }
.about-features { margin: 28px 0 32px; display: flex; flex-direction: column; gap: 14px; }
.about-feature { display: flex; align-items: flex-start; gap: 12px; font-size: 0.95rem; color: var(--text-secondary); }
.about-feature svg { color: var(--green-500); flex-shrink: 0; margin-top: 2px; }

/* ========== PROCESS ========== */
.process { padding: 100px 0; background: var(--cream-light); }
.process-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative; }
.process-step { text-align: center; padding: 40px 28px; position: relative; }
.step-number {
  font-family: 'DM Serif Display', serif; font-size: 3.5rem; color: var(--green-100);
  line-height: 1; margin-bottom: 16px;
}
.step-icon {
  width: 72px; height: 72px; border-radius: 50%; margin: 0 auto 20px;
  background: var(--white); border: 2px solid var(--green-200); color: var(--green-700);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.process-step:hover .step-icon { background: var(--green-700); border-color: var(--green-700); color: var(--white); }
.process-step h3 { margin-bottom: 10px; }
.process-step p { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.7; max-width: 280px; margin: 0 auto; }
.step-connector { display: flex; align-items: center; justify-content: center; color: var(--green-300); margin-top: 20px; }

/* ========== TESTIMONIALS ========== */
.testimonials { padding: 100px 0; background: var(--green-800); }
.testimonials .section-tag { background: rgba(255,255,255,0.1); color: var(--green-200); }
.testimonials .section-title { color: var(--white); }
.testimonials .section-subtitle { color: rgba(255,255,255,0.6); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg); padding: 32px; backdrop-filter: blur(8px);
  transition: var(--transition);
}
.testimonial-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.testimonial-stars { display: flex; gap: 4px; margin-bottom: 20px; color: #F59E0B; }
.testimonial-text { font-size: 0.95rem; color: rgba(255,255,255,0.8); line-height: 1.8; margin-bottom: 24px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--green-600); color: var(--white);
  display: flex; align-items: center; justify-content: center;
}
.author-name { display: block; font-weight: 600; color: var(--white); font-size: 0.95rem; }
.author-detail { display: block; font-size: 0.82rem; color: rgba(255,255,255,0.5); margin-top: 2px; }

/* ========== FAQ ========== */
.faq { padding: 100px 0; background: var(--cream-light); }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; background: var(--white); transition: var(--transition); }
.faq-item:hover { border-color: var(--green-200); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; text-align: left; font-size: 1rem; font-weight: 500;
  color: var(--text-primary); gap: 16px; transition: var(--transition);
}
.faq-question:hover { color: var(--green-700); }
.faq-chevron { transition: transform 0.3s ease; flex-shrink: 0; color: var(--green-500); }
.faq-item.active .faq-chevron { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; }
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer p { padding: 0 24px 20px; font-size: 0.92rem; color: var(--text-secondary); line-height: 1.7; }

/* ========== CTA BANNER ========== */
.cta-banner { padding: 80px 0; background: linear-gradient(135deg, var(--green-700) 0%, var(--green-600) 100%); }
.cta-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-xl); padding: 56px 64px; backdrop-filter: blur(12px);
}
.cta-content { flex: 1; }
.cta-title { color: var(--white); margin-bottom: 12px; }
.cta-text { color: rgba(255,255,255,0.75); font-size: 1.05rem; line-height: 1.7; }
.cta-actions { display: flex; gap: 16px; flex-shrink: 0; }

/* ========== CONTACT ========== */
.contact { padding: 100px 0; background: var(--cream); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-info .section-title { margin-bottom: 16px; }
.contact-text { color: var(--text-secondary); margin-bottom: 32px; line-height: 1.7; }
.contact-details { display: flex; flex-direction: column; gap: 24px; margin-bottom: 28px; }
.contact-detail { display: flex; align-items: flex-start; gap: 16px; }
.contact-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  background: var(--green-50); color: var(--green-700);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-label { display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 4px; }
.contact-value { display: block; font-size: 0.95rem; color: var(--text-primary); line-height: 1.6; }
.contact-value a { color: var(--green-700); transition: var(--transition); }
.contact-value a:hover { color: var(--green-500); }
.contact-map { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }

.contact-form-card {
  background: var(--white); border-radius: var(--radius-xl); padding: 40px;
  box-shadow: var(--shadow-lg); border: 1px solid var(--border);
}
.contact-form-card h3 { font-size: 1.4rem; margin-bottom: 8px; }
.form-intro { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--text-primary); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); background: var(--cream-light); color: var(--text-primary);
  transition: var(--transition); outline: none; font-size: 0.95rem;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--green-500); background: var(--white);
  box-shadow: 0 0 0 3px rgba(64, 145, 108, 0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-success { display: none; text-align: center; padding: 40px 20px; }
.form-success.show { display: block; }
.success-icon { color: var(--green-500); margin-bottom: 16px; }
.form-success h4 { font-size: 1.3rem; margin-bottom: 8px; color: var(--green-800); }
.form-success p { color: var(--text-secondary); margin-bottom: 20px; font-size: 0.95rem; }

/* ========== FOOTER ========== */
.footer { padding: 64px 0 0; background: var(--green-900); color: rgba(255,255,255,0.7); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .logo-mark { background: var(--green-600); }
.footer-brand .logo-text { color: var(--white); }
.footer-desc { font-size: 0.9rem; line-height: 1.7; margin-top: 16px; max-width: 280px; }
.footer-links h4, .footer-contact h4 { color: var(--white); font-family: 'Inter', sans-serif; font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 20px; }
.footer-links ul, .footer-contact ul { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { font-size: 0.9rem; transition: var(--transition); display: flex; align-items: center; gap: 8px; }
.footer-links a:hover { color: var(--green-300); padding-left: 4px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.88rem; line-height: 1.6; }
.footer-contact svg { flex-shrink: 0; margin-top: 3px; color: var(--green-400); }
.footer-contact a { color: rgba(255,255,255,0.7); transition: var(--transition); display: flex; align-items: center; gap: 8px; }
.footer-contact a:hover { color: var(--green-300); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 24px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.82rem; color: rgba(255,255,255,0.4); }
.footer-bottom a { color: rgba(255,255,255,0.5); transition: var(--transition); }
.footer-bottom a:hover { color: var(--green-300); }

/* ========== ANIMATIONS ========== */
[data-animate] { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-animate].visible { opacity: 1; transform: translateY(0); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .services-grid, .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { flex-direction: column; text-align: center; padding: 40px 32px; }
  .cta-actions { justify-content: center; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .hero-content { padding: 100px 0 60px; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 16px; }
  .hero-stat-divider { width: 40px; height: 1px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
  .services-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-img-float { right: 16px; bottom: -20px; }
  .about-img-main img { height: 320px; }
  .process-steps { grid-template-columns: 1fr; gap: 8px; }
  .step-connector { display: none; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .services, .about, .process, .testimonials, .faq, .contact { padding: 64px 0; }
  .service-card { padding: 28px 22px; }
  .contact-form-card { padding: 24px; }
  .cta-banner { padding: 48px 0; }
}