@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --green-900: #0a2e1a;
  --green-800: #123d24;
  --green-700: #1a5c35;
  --green-600: #217a44;
  --green-500: #2a9a56;
  --green-400: #3db96d;
  --green-300: #6fd494;
  --green-200: #a8edbe;
  --green-100: #d6f5e3;
  --green-50:  #f0fdf5;
  --white: #ffffff;
  --gray-50: #f8f9f8;
  --gray-100: #eef0ee;
  --gray-200: #d8dcd8;
  --gray-500: #6b7568;
  --gray-700: #3a3f3a;
  --gray-900: #181c18;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(10,46,26,0.08);
  --shadow-lg: 0 12px 48px rgba(10,46,26,0.14);
  --transition: 0.22s cubic-bezier(0.4,0,0.2,1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--green-100);
  padding: 0 2rem;
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
  transition: box-shadow var(--transition);
}
nav.scrolled { box-shadow: var(--shadow); }

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
}
.nav-logo-mark {
  width: 40px; height: 40px;
  background: var(--green-700);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: -0.5px;
}
.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--green-800);
  letter-spacing: -0.3px;
}

.nav-links {
  display: flex; align-items: center; gap: 0.25rem;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  color: var(--gray-700);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  transition: background var(--transition), color var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  background: var(--green-50);
  color: var(--green-700);
}

.nav-right {
  display: flex; align-items: center; gap: 1rem;
}

/* Language switcher */
.lang-switcher {
  display: flex; gap: 4px;
  background: var(--gray-100);
  border-radius: 8px;
  padding: 3px;
}
.lang-btn {
  border: none; background: transparent; cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.75rem; font-weight: 600;
  color: var(--gray-500);
  padding: 4px 8px;
  border-radius: 5px;
  transition: background var(--transition), color var(--transition);
  letter-spacing: 0.03em;
}
.lang-btn.active {
  background: var(--white);
  color: var(--green-700);
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.nav-cta {
  background: var(--green-700);
  color: white !important;
  padding: 0.5rem 1.25rem !important;
  border-radius: 8px !important;
  font-weight: 600 !important;
  font-size: 0.875rem !important;
  transition: background var(--transition) !important;
}
.nav-cta:hover { background: var(--green-800) !important; }

.hamburger {
  display: none;
  flex-direction: column; gap: 5px; cursor: pointer;
  border: none; background: none; padding: 6px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--gray-700); border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ── HERO ── */
#home {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding-top: 68px;
  overflow: hidden;
}
.hero-content {
  display: flex; flex-direction: column; justify-content: center;
  padding: 6rem 3rem 6rem 5vw;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--green-100);
  color: var(--green-700);
  font-size: 0.78rem; font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 1.75rem;
  width: fit-content;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero-badge::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--green-500);
  border-radius: 50%;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 4.5vw, 4rem);
  line-height: 1.12;
  color: var(--green-900);
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}
.hero-title em {
  font-style: italic;
  color: var(--green-600);
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--gray-500);
  max-width: 460px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}
.hero-actions {
  display: flex; gap: 1rem; flex-wrap: wrap;
  margin-bottom: 3.5rem;
}
.btn-primary {
  background: var(--green-700);
  color: white;
  text-decoration: none;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: none; cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary:hover {
  background: var(--green-800);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,92,53,0.3);
}
.btn-secondary {
  background: transparent;
  color: var(--green-700);
  text-decoration: none;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid var(--green-300);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-secondary:hover {
  background: var(--green-50);
  border-color: var(--green-500);
}

.hero-stats {
  display: flex; gap: 2.5rem;
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--green-700);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-top: 2px;
}

/* Hero visual panel */
.hero-visual {
  background: var(--green-700);
  position: relative;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.hero-visual::before {
  content: '';
  position: absolute; inset: 0;
  background: 
    radial-gradient(ellipse at 70% 30%, rgba(61,185,109,0.25) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(10,46,26,0.4) 0%, transparent 50%);
}
.hero-visual-content {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
  gap: 1.5rem;
  padding: 3rem;
}
.hero-icon-large {
  width: 120px; height: 120px;
  background: rgba(255,255,255,0.12);
  border-radius: 28px;
  display: flex; align-items: center; justify-content: center;
  font-size: 3.5rem;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
}
.hero-features {
  display: flex; flex-direction: column; gap: 0.75rem;
  width: 100%; max-width: 280px;
}
.hero-feature-pill {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 100px;
  padding: 0.65rem 1.25rem;
  color: white;
  font-size: 0.875rem;
  font-weight: 500;
  display: flex; align-items: center; gap: 10px;
  backdrop-filter: blur(4px);
  animation: floatIn 0.5s ease both;
}
.hero-feature-pill span { font-size: 1.1rem; }
@keyframes floatIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}
.hero-feature-pill:nth-child(1) { animation-delay: 0.1s; }
.hero-feature-pill:nth-child(2) { animation-delay: 0.2s; }
.hero-feature-pill:nth-child(3) { animation-delay: 0.3s; }
.hero-feature-pill:nth-child(4) { animation-delay: 0.4s; }

/* ── SECTIONS ── */
section:not(#home) {
  padding: 6rem 5vw;
}
.section-label {
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--green-600);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  color: var(--green-900);
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 1.25rem;
}
.section-title em { font-style: italic; color: var(--green-600); }
.section-sub {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 540px;
  line-height: 1.75;
}

/* ── SERVICES ── */
#services { background: var(--gray-50); }
.services-header {
  text-align: center; margin-bottom: 4rem;
}
.services-header .section-sub { margin: 0 auto; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  border: 1px solid var(--gray-100);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--green-500);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green-200);
}
.service-card:hover::after { transform: scaleX(1); }

.service-icon {
  width: 60px; height: 60px;
  background: var(--green-100);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--green-900);
  margin-bottom: 0.75rem;
  letter-spacing: -0.3px;
}
.service-card p {
  color: var(--gray-500);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}
.service-tag {
  display: inline-block;
  background: var(--green-50);
  color: var(--green-700);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── ABOUT ── */
#about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  max-width: 1300px;
  margin: 0 auto;
}
.about-visual {
  position: relative;
}
.about-main-card {
  background: var(--green-700);
  border-radius: var(--radius-lg);
  padding: 3rem;
  color: white;
  position: relative;
  overflow: hidden;
}
.about-main-card::before {
  content: '';
  position: absolute; top: -40px; right: -40px;
  width: 180px; height: 180px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
}
.about-quote {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-style: italic;
  line-height: 1.4;
  margin-bottom: 1.5rem;
  position: relative;
}
.about-quote::before {
  content: '"';
  font-size: 5rem;
  color: rgba(255,255,255,0.15);
  position: absolute;
  top: -20px; left: -10px;
  font-family: var(--font-display);
  line-height: 1;
}
.about-author {
  display: flex; align-items: center; gap: 12px;
}
.about-avatar {
  width: 48px; height: 48px;
  background: var(--green-400);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: white;
}
.about-author-name { font-weight: 600; font-size: 0.95rem; }
.about-author-role { font-size: 0.8rem; opacity: 0.75; margin-top: 1px; }

.about-floating-card {
  position: absolute;
  bottom: -24px; right: -24px;
  background: white;
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--green-100);
}
.about-floating-card .num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--green-700);
  line-height: 1;
}
.about-floating-card .label {
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-top: 2px;
}

.about-content { }
.values-list {
  margin-top: 2.5rem;
  display: flex; flex-direction: column; gap: 1.25rem;
}
.value-item {
  display: flex; gap: 1rem; align-items: flex-start;
}
.value-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--green-100);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  margin-top: 2px;
}
.value-item h4 {
  font-weight: 600;
  color: var(--green-900);
  margin-bottom: 3px;
  font-size: 0.95rem;
}
.value-item p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ── CONTACT ── */
#contact { background: var(--green-900); color: white; }
.contact-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 5rem; align-items: start;
}
.contact-info .section-label { color: var(--green-300); }
.contact-info .section-title { color: white; }
.contact-info .section-sub { color: rgba(255,255,255,0.6); }

.contact-details {
  margin-top: 2.5rem;
  display: flex; flex-direction: column; gap: 1.25rem;
}
.contact-detail-item {
  display: flex; align-items: center; gap: 1rem;
}
.contact-detail-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: rgba(255,255,255,0.08);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  border: 1px solid rgba(255,255,255,0.1);
}
.contact-detail-text { font-size: 0.9rem; color: rgba(255,255,255,0.8); }
.contact-detail-text strong { color: white; display: block; font-size: 0.85rem; margin-bottom: 1px; }

/* Form */
.contact-form-wrap {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}
.form-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--green-900);
  margin-bottom: 1.75rem;
  letter-spacing: -0.3px;
}
.form-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1rem; margin-bottom: 1rem;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label {
  font-size: 0.82rem; font-weight: 600;
  color: var(--gray-700);
  letter-spacing: 0.02em;
}
.form-group input,
.form-group select,
.form-group textarea {
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--gray-900);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(42,154,86,0.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit {
  width: 100%;
  margin-top: 1.25rem;
  padding: 1rem;
  font-size: 1rem;
}
.form-success {
  display: none;
  background: var(--green-100);
  border: 1.5px solid var(--green-300);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  color: var(--green-800);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
  margin-top: 1rem;
}

/* ── FOOTER ── */
footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.6);
  padding: 2.5rem 5vw;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
  font-size: 0.85rem;
}
footer .footer-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: white;
}
footer a { color: rgba(255,255,255,0.5); text-decoration: none; }
footer a:hover { color: var(--green-300); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  #home { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero-content { padding: 4rem 1.5rem; }
  #about { grid-template-columns: 1fr; padding: 4rem 1.5rem; }
  .about-floating-card { display: none; }
  .contact-inner { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  section:not(#home) { padding: 4rem 1.5rem; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed; top: 68px; left: 0; right: 0;
  background: white;
  border-bottom: 1px solid var(--green-100);
  padding: 1rem 1.5rem;
  flex-direction: column; gap: 0.25rem;
  box-shadow: var(--shadow);
  z-index: 99;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  text-decoration: none; color: var(--gray-700);
  font-size: 1rem; font-weight: 500;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  transition: background var(--transition);
}
.mobile-menu a:hover { background: var(--green-50); color: var(--green-700); }
.mobile-lang { display: flex; gap: 6px; padding: 0.5rem 1rem; margin-top: 0.25rem; }

/* Fade-in animation */
.fade-in {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }