:root {
  --green-deep: #0a4d3c;
  --green: #0d6e4f;
  --green-light: #1a9c6f;
  --green-bright: #2ecc8f;
  --gold: #e8a838;
  --gold-light: #f5c560;
  --dark: #0a1f17;
  --dark-2: #122a20;
  --cream: #f7f9f4;
  --gray: #6b7a72;
  --gray-light: #e8ede9;
  --white: #ffffff;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(10, 31, 23, 0.08);
  --shadow-lg: 0 12px 40px rgba(10, 31, 23, 0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--dark); background: var(--cream); line-height: 1.7; overflow-x: hidden; }
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; color: var(--dark); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p { font-size: 1rem; color: var(--gray); }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
section { padding: 80px 0; }
.section-tag { display: inline-block; font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--green); margin-bottom: 12px; }
.section-title { margin-bottom: 16px; }
.section-subtitle { max-width: 680px; margin-bottom: 48px; font-size: 1.1rem; }
.text-center { text-align: center; }
.text-center .section-subtitle { margin-left: auto; margin-right: auto; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.95rem; border: none; cursor: pointer; transition: var(--transition); text-align: center; }
.btn-primary { background: var(--green); color: var(--white); }
.btn-primary:hover { background: var(--green-deep); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(13, 110, 79, 0.3); }
.btn-outline { background: transparent; color: var(--green); border: 2px solid var(--green); }
.btn-outline:hover { background: var(--green); color: var(--white); transform: translateY(-2px); }
.btn-light { background: var(--white); color: var(--green-deep); }
.btn-light:hover { background: var(--gold); color: var(--dark); transform: translateY(-2px); }
.btn-group { display: flex; gap: 16px; flex-wrap: wrap; }
header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(247, 249, 244, 0.95); backdrop-filter: blur(12px); border-bottom: 1px solid var(--gray-light); transition: var(--transition); }
header.scrolled { box-shadow: var(--shadow); }
.nav { display: flex; justify-content: space-between; align-items: center; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.3rem; color: var(--green-deep); }
.logo-icon { width: 38px; height: 38px; background: linear-gradient(135deg, var(--green), var(--green-bright)); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: white; font-size: 1.2rem; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { font-weight: 500; font-size: 0.95rem; color: var(--dark); transition: var(--transition); position: relative; }
.nav-links a:hover { color: var(--green); }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--green); transition: var(--transition); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--green); }
.nav-links a.active::after { width: 100%; }
.nav-cta { margin-left: 8px; }
.menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--green-deep); }
.hero { padding: 140px 0 80px; background: linear-gradient(135deg, var(--dark) 0%, var(--green-deep) 100%); color: var(--white); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -50%; right: -10%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(46, 204, 143, 0.15) 0%, transparent 70%); border-radius: 50%; }
.hero::after { content: ''; position: absolute; bottom: -30%; left: -10%; width: 500px; height: 500px; background: radial-gradient(circle, rgba(232, 168, 56, 0.1) 0%, transparent 70%); border-radius: 50%; }
.hero-content { position: relative; z-index: 2; max-width: 760px; }
.hero h1 { color: var(--white); margin-bottom: 24px; }
.hero h1 span { color: var(--green-bright); }
.hero p { font-size: 1.2rem; color: rgba(255,255,255,0.85); margin-bottom: 32px; max-width: 640px; }
.hero .btn-group { margin-bottom: 48px; }
.hero-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 24px; margin-top: 48px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.15); }
.hero-stat .num { font-size: 2rem; font-weight: 800; color: var(--green-bright); display: block; }
.hero-stat .label { font-size: 0.85rem; color: rgba(255,255,255,0.7); }
.stats-bar { background: var(--white); padding: 48px 0; box-shadow: var(--shadow); margin: -40px auto 0; max-width: var(--max-width); border-radius: var(--radius); position: relative; z-index: 10; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 32px; text-align: center; }
.stat-item .num { font-size: 2.2rem; font-weight: 800; color: var(--green); display: block; margin-bottom: 4px; }
.stat-item .label { font-size: 0.9rem; color: var(--gray); font-weight: 500; }
.what-we-do { background: var(--cream); }
.process-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; }
.process-card { background: var(--white); padding: 32px 24px; border-radius: var(--radius); box-shadow: var(--shadow); text-align: center; transition: var(--transition); border-top: 4px solid transparent; }
.process-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-top-color: var(--green-bright); }
.process-icon { width: 56px; height: 56px; margin: 0 auto 16px; background: linear-gradient(135deg, var(--green-light), var(--green-bright)); border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.process-card h4 { margin-bottom: 8px; color: var(--green-deep); }
.process-card p { font-size: 0.9rem; }
.products { background: var(--white); }
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 28px; }
.product-card { background: var(--cream); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--gray-light); }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.product-header { padding: 28px 24px 20px; background: linear-gradient(135deg, var(--green-deep), var(--green)); color: var(--white); }
.product-header .icon { font-size: 2rem; margin-bottom: 12px; display: block; }
.product-header h3 { color: var(--white); margin-bottom: 6px; }
.product-header .tag { font-size: 0.85rem; color: var(--green-bright); font-weight: 500; }
.product-body { padding: 24px; }
.product-body p { font-size: 0.9rem; margin-bottom: 16px; }
.product-meta { display: flex; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--gray-light); font-size: 0.85rem; }
.product-meta .meta-label { color: var(--gray); display: block; }
.product-meta .meta-value { color: var(--green-deep); font-weight: 600; }
.services { background: var(--cream); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px; }
.service-card { background: var(--white); border-radius: var(--radius); padding: 36px 28px; box-shadow: var(--shadow); transition: var(--transition); border-left: 4px solid var(--green); }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-card .icon { font-size: 2rem; margin-bottom: 16px; }
.service-card h3 { margin-bottom: 12px; color: var(--green-deep); }
.service-card > p { margin-bottom: 20px; font-size: 0.95rem; }
.service-list { list-style: none; }
.service-list li { padding: 8px 0 8px 28px; position: relative; font-size: 0.9rem; color: var(--dark); }
.service-list li::before { content: '✓'; position: absolute; left: 0; color: var(--green-bright); font-weight: 700; }
.case-studies { background: var(--white); }
.case-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 28px; }
.case-card { background: var(--cream); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-banner { padding: 28px 24px; background: linear-gradient(135deg, var(--green), var(--green-light)); color: var(--white); }
.case-banner h3 { color: var(--white); }
.case-banner .tag { font-size: 0.8rem; color: var(--green-bright); text-transform: uppercase; letter-spacing: 1px; }
.case-body { padding: 24px; }
.case-body .case-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--gold); margin-bottom: 6px; }
.case-body p { font-size: 0.9rem; margin-bottom: 12px; }
.case-results { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 16px 0; padding: 16px; background: var(--white); border-radius: var(--radius-sm); }
.case-result-item .num { font-size: 1.3rem; font-weight: 800; color: var(--green); display: block; }
.case-result-item .label { font-size: 0.75rem; color: var(--gray); }
.partnership { background: linear-gradient(135deg, var(--dark-2), var(--green-deep)); color: var(--white); }
.partnership h2 { color: var(--white); }
.partnership .section-tag { color: var(--green-bright); }
.partnership .section-subtitle { color: rgba(255,255,255,0.8); }
.partnership-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.partnership-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius); padding: 28px 24px; transition: var(--transition); }
.partnership-card:hover { background: rgba(255,255,255,0.1); border-color: var(--green-bright); transform: translateY(-4px); }
.partnership-card .icon { font-size: 1.8rem; margin-bottom: 14px; }
.partnership-card h4 { color: var(--white); margin-bottom: 10px; }
.partnership-card p { color: rgba(255,255,255,0.75); font-size: 0.9rem; }
.revenue { background: var(--cream); }
.revenue-model { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; max-width: 900px; margin: 0 auto; }
.revenue-card { background: var(--white); border-radius: var(--radius); padding: 36px 28px; text-align: center; box-shadow: var(--shadow); transition: var(--transition); border-bottom: 5px solid var(--green); }
.revenue-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.revenue-card .pct { font-size: 3rem; font-weight: 800; color: var(--green); display: block; margin-bottom: 8px; }
.revenue-card h4 { color: var(--green-deep); margin-bottom: 10px; }
.revenue-card p { font-size: 0.9rem; }
.tech-stack { background: var(--white); }
.tech-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.tech-card { padding: 32px 24px; border-radius: var(--radius); background: var(--cream); border: 1px solid var(--gray-light); transition: var(--transition); }
.tech-card:hover { border-color: var(--green-bright); box-shadow: var(--shadow); }
.tech-card .icon { font-size: 1.8rem; margin-bottom: 14px; }
.tech-card h4 { color: var(--green-deep); margin-bottom: 12px; }
.tech-card ul { list-style: none; }
.tech-card ul li { padding: 6px 0 6px 24px; position: relative; font-size: 0.88rem; color: var(--gray); }
.tech-card ul li::before { content: '▸'; position: absolute; left: 0; color: var(--green-bright); }
.team { background: var(--cream); }
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px; }
.team-card { background: var(--white); border-radius: var(--radius); padding: 32px 24px; text-align: center; box-shadow: var(--shadow); transition: var(--transition); }
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.team-avatar { width: 80px; height: 80px; margin: 0 auto 16px; border-radius: 50%; background: linear-gradient(135deg, var(--green), var(--green-bright)); display: flex; align-items: center; justify-content: center; font-size: 1.8rem; color: var(--white); font-weight: 700; }
.team-card h4 { color: var(--green-deep); margin-bottom: 4px; }
.team-card .role { font-size: 0.85rem; color: var(--green); font-weight: 600; margin-bottom: 12px; }
.team-card p { font-size: 0.85rem; }
.contact { background: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info h3 { color: var(--green-deep); margin-bottom: 24px; }
.contact-detail { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.contact-detail .icon { width: 48px; height: 48px; min-width: 48px; background: var(--cream); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; }
.contact-detail .label { font-size: 0.8rem; color: var(--gray); text-transform: uppercase; letter-spacing: 1px; }
.contact-detail .value { font-size: 1rem; color: var(--dark); font-weight: 600; }
.contact-form { background: var(--cream); padding: 36px 32px; border-radius: var(--radius); box-shadow: var(--shadow); }
.contact-form h3 { color: var(--green-deep); margin-bottom: 24px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--dark); }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 12px 16px; border: 2px solid var(--gray-light); border-radius: var(--radius-sm); font-family: var(--font); font-size: 0.95rem; transition: var(--transition); background: var(--white); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--green); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-msg { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 0.9rem; margin-bottom: 16px; display: none; }
.form-msg.success { background: #d4edda; color: #155724; display: block; }
.form-msg.error { background: #f8d7da; color: #721c24; display: block; }
.cta-banner { background: linear-gradient(135deg, var(--green), var(--green-deep)); color: var(--white); text-align: center; padding: 64px 0; }
.cta-banner h2 { color: var(--white); margin-bottom: 16px; }
.cta-banner p { color: rgba(255,255,255,0.85); margin-bottom: 32px; font-size: 1.1rem; }
.page-header { padding: 120px 0 60px; background: linear-gradient(135deg, var(--dark) 0%, var(--green-deep) 100%); color: var(--white); text-align: center; position: relative; overflow: hidden; }
.page-header::before { content: ''; position: absolute; top: -30%; right: -5%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(46, 204, 143, 0.12) 0%, transparent 70%); border-radius: 50%; }
.page-header h1 { color: var(--white); margin-bottom: 12px; position: relative; z-index: 2; }
.page-header p { color: rgba(255,255,255,0.8); font-size: 1.1rem; max-width: 600px; margin: 0 auto; position: relative; z-index: 2; }
footer { background: var(--dark); color: rgba(255,255,255,0.7); padding: 64px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { color: var(--white); margin-bottom: 16px; }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.9rem; max-width: 320px; }
.footer-col h4 { color: var(--white); margin-bottom: 16px; font-size: 0.95rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--green-bright); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; flex-wrap: wrap; gap: 12px; }
.footer-bottom a { color: rgba(255,255,255,0.5); transition: var(--transition); }
.footer-bottom a:hover { color: var(--green-bright); }
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .nav-links { position: fixed; top: 72px; left: 0; width: 100%; background: var(--white); flex-direction: column; padding: 24px; gap: 16px; box-shadow: var(--shadow-lg); transform: translateY(-150%); transition: var(--transition); }
  .nav-links.open { transform: translateY(0); }
  .nav-cta { margin-left: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  section { padding: 56px 0; }
  .hero { padding: 110px 0 60px; }
  .stats-bar { margin: -30px 16px 0; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .case-results { grid-template-columns: 1fr; }
  .btn-group { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}