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

:root {
  --green: #3FAA5C;
  --green-light: #87B16D;
  --green-pale: rgba(63, 170, 92, 0.08);
  --purple: #4C4D96;
  --purple-dark: #3d3e78;
  --navy: #0F0F2E;
  --brown: #A3806A;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --bg: #ffffff;
  --fg: #111827;
  --card-bg: #ffffff;
  --muted: #6b7280;
  --border: #e5e7eb;
  --header-bg: rgba(255,255,255,0.96);
  --footer-bg: #111827;
  --section-alt: #f9fafb;
  --services-bg: linear-gradient(135deg, rgba(135,177,109,0.05) 0%, #ffffff 100%);
}

html.dark {
  --bg: #111827;
  --fg: #f9fafb;
  --card-bg: #1f2937;
  --muted: #9ca3af;
  --border: #374151;
  --header-bg: rgba(17,24,39,0.96);
  --footer-bg: #000000;
  --section-alt: #111827;
  --services-bg: linear-gradient(135deg, #1f2937 0%, #111827 100%);
}

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

body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg);
  color: var(--fg);
  transition: background 0.3s, color 0.3s;
  line-height: 1.6;
}

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

/* ===== UTILITIES ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ===== HEADER ===== */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 8px rgba(0,0,0,0.08);
  transition: background 0.3s;
}

nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }

.logo img { height: 44px; width: auto; }

.nav-links { display: flex; align-items: center; gap: 2rem; }

.nav-links a, .nav-links button.link {
  font-size: 0.95rem; font-weight: 500;
  color: var(--gray-700); transition: color 0.2s;
}
html.dark .nav-links a, html.dark .nav-links button.link { color: var(--gray-400); }
.nav-links a:hover, .nav-links button.link:hover { color: var(--green); }

.btn-contact {
  background: var(--purple); color: white;
  padding: 0.6rem 1.4rem; border-radius: 8px;
  font-size: 0.95rem; font-weight: 500;
  transition: background 0.2s;
}
.btn-contact:hover { background: var(--purple-dark); }

.btn-darkmode {
  width: 38px; height: 38px; border-radius: 8px;
  background: var(--gray-100); display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
html.dark .btn-darkmode { background: var(--gray-800); }
.btn-darkmode:hover { background: var(--gray-200); }
html.dark .btn-darkmode:hover { background: var(--gray-700); }
.btn-darkmode svg { width: 18px; height: 18px; stroke: var(--gray-700); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
html.dark .btn-darkmode svg { stroke: var(--gray-300); }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--fg); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }

/* Mobile nav */
.mobile-nav {
  display: none; flex-direction: column; gap: 0.5rem;
  padding: 1rem 0; border-top: 1px solid var(--border);
}
.mobile-nav.open { display: flex; }
.mobile-nav button {
  text-align: left; padding: 0.6rem 1rem; border-radius: 8px;
  color: var(--fg); font-size: 0.95rem; transition: background 0.2s;
}
.mobile-nav button:hover { background: var(--green-pale); color: var(--green); }
.mobile-nav .btn-contact { color: white; }
.mobile-nav .btn-contact:hover { background: var(--purple-dark); }

/* ===== HERO ===== */
#home {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding-top: 72px;
}

.hero-bg {
  position: absolute; inset: 0;
  background-image: url('img/bg.png');
  background-size: cover; background-position: center;
  filter: blur(3px); transform: scale(1.08);
}
.hero-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.52); }
html.dark .hero-overlay { background: rgba(0,0,0,0.68); }

.hero-content { position: relative; z-index: 2; width: 100%; padding: 5rem 0; }

.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }

.badge {
  display: inline-block; background: rgba(135,177,109,0.9);
  color: white; font-weight: 700; font-size: 0.85rem;
  padding: 0.35rem 1rem; border-radius: 999px; margin-bottom: 1.5rem;
  backdrop-filter: blur(4px);
}

.hero-title {
  font-family: 'Source Serif 4', serif;
  font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 600;
  color: white; line-height: 1.2; margin-bottom: 1.25rem;
}
.hero-title span { color: var(--green-light); }

.hero-desc { font-size: 1.05rem; color: rgba(255,255,255,0.88); margin-bottom: 2rem; max-width: 480px; }

.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn-primary {
  background: var(--green); color: white;
  padding: 0.85rem 2rem; border-radius: 8px;
  font-size: 1rem; font-weight: 600;
  transition: background 0.2s; box-shadow: 0 4px 14px rgba(63,170,92,0.35);
}
.btn-primary:hover { background: #358a4d; }

.btn-outline {
  border: 2px solid var(--green-light);
  background: rgba(135,177,109,0.1);
  color: white; padding: 0.85rem 2rem; border-radius: 8px;
  font-size: 1rem; font-weight: 600;
  backdrop-filter: blur(4px); transition: background 0.2s;
}
.btn-outline:hover { background: rgba(135,177,109,0.22); }

.hero-card {
  background: rgba(255,255,255,0.96); border-radius: 16px;
  padding: 2rem; box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
html.dark .hero-card { background: rgba(31,41,55,0.96); }

.hero-card-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.65rem 0; border-bottom: 1px solid var(--border);
  color: var(--gray-700); font-size: 1rem;
}
html.dark .hero-card-item { color: var(--gray-300); border-color: var(--border); }
.hero-card-item:last-child { border-bottom: none; }

.check-icon { color: var(--green); flex-shrink: 0; }

/* ===== SECTION COMMON ===== */
section { padding: 5rem 0; }

.section-header { text-align: center; margin-bottom: 4rem; }
.section-header h2 {
  font-family: 'Source Serif 4', serif;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 600;
  color: var(--fg); margin-bottom: 0.75rem;
}
.divider { width: 64px; height: 4px; border-radius: 2px; margin: 0 auto 1.25rem; }
.divider-purple { background: var(--purple); }
.divider-green { background: var(--green); }
.section-header p { font-size: 1.05rem; color: var(--muted); max-width: 640px; margin: 0 auto; }

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

.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 3rem; }

.about-card {
  background: var(--card-bg); border-radius: 14px;
  padding: 2rem; border: 1.5px solid var(--border);
  transition: box-shadow 0.2s, border-color 0.2s;
}
.about-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.08); }

.about-card .icon-wrap { margin-bottom: 1rem; }
.about-card .icon-wrap svg { width: 32px; height: 32px; stroke: var(--purple); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.about-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--fg); margin-bottom: 0.5rem; }
.about-card p { font-size: 0.93rem; color: var(--muted); line-height: 1.65; }

.expertise-box {
  background: var(--section-alt); border-radius: 16px; padding: 3rem;
}
.expertise-box h3 {
  font-family: 'Source Serif 4', serif;
  font-size: 1.6rem; font-weight: 600; color: var(--fg); margin-bottom: 1.5rem;
}
.expertise-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.expertise-cols p { color: var(--muted); font-size: 0.95rem; line-height: 1.75; margin-bottom: 1rem; }

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

.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 2.5rem; }

.service-card {
  background: var(--card-bg); border-radius: 14px;
  padding: 2rem; border: 1.5px solid var(--border);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.service-card:hover { border-color: var(--green); box-shadow: 0 8px 24px rgba(0,0,0,0.08); }

.service-card .s-icon { margin-bottom: 1.5rem; }
.service-card .s-icon svg { width: 48px; height: 48px; stroke: var(--green); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--fg); margin-bottom: 0.6rem; }
.service-card p { font-size: 0.9rem; color: var(--muted); line-height: 1.65; }

.additional-box {
  background: var(--card-bg); border-radius: 16px;
  padding: 2.5rem 3rem; box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  border: 1px solid var(--border);
}
.additional-box h3 {
  font-family: 'Source Serif 4', serif;
  font-size: 1.5rem; font-weight: 600; color: var(--fg);
  text-align: center; margin-bottom: 2rem;
}
.additional-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.additional-col h4 { font-size: 0.95rem; font-weight: 700; color: var(--green); margin-bottom: 1rem; display: flex; align-items: center; gap: 0.4rem; }
.additional-col h4 svg { width: 18px; height: 18px; stroke: var(--green); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.check-list { display: flex; flex-direction: column; gap: 0.6rem; }
.check-list li { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.9rem; color: var(--muted); }
.check-list li svg { width: 18px; height: 18px; stroke: var(--green); fill: none; stroke-width: 2; flex-shrink: 0; margin-top: 2px; stroke-linecap: round; stroke-linejoin: round; }

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

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; max-width: 860px; margin: 0 auto; }

.contact-info {
  background: var(--card-bg); border-radius: 14px;
  padding: 2.5rem; border: 1.5px solid var(--brown);
}
.contact-info h3 {
  font-size: 1.3rem; font-weight: 700; color: var(--fg); margin-bottom: 2rem;
}
.contact-items { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; }
.c-icon {
  width: 46px; height: 46px; border-radius: 10px; flex-shrink: 0;
  background: rgba(76,77,150,0.1);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.c-icon svg { width: 22px; height: 22px; stroke: var(--purple); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.contact-item h4 { font-size: 0.9rem; font-weight: 700; color: var(--fg); margin-bottom: 0.2rem; }
.contact-item p { font-size: 0.9rem; color: var(--muted); line-height: 1.5; }

.contact-hours {
  background: linear-gradient(135deg, var(--purple) 0%, var(--navy) 100%);
  border-radius: 14px; padding: 2.5rem; color: white;
  display: flex; flex-direction: column; justify-content: center;
}
.contact-hours h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 1.5rem; }
.hours-item { margin-bottom: 1.25rem; }
.hours-item:not(:last-child) { padding-bottom: 1.25rem; border-bottom: 1px solid rgba(255,255,255,0.18); }
.hours-label { font-size: 0.85rem; color: rgba(255,255,255,0.75); margin-bottom: 0.3rem; }
.hours-time { font-size: 1.3rem; font-weight: 700; }

/* ===== FOOTER ===== */
footer { background: var(--footer-bg); color: white; padding: 3.5rem 0 2rem; }

.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; margin-bottom: 2.5rem; }

.footer-brand p { font-size: 0.85rem; color: #9ca3af; margin-top: 0.75rem; }
.footer-brand img { height: 40px; filter: brightness(0) invert(1); }

.footer-col h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 1rem; color: white; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col ul li button, .footer-col ul li { font-size: 0.85rem; color: #9ca3af; transition: color 0.2s; }
.footer-col ul li button:hover { color: var(--green-light); }

.footer-bottom {
  border-top: 1px solid #1f2937; padding-top: 1.5rem;
  text-align: center; font-size: 0.82rem; color: #6b7280;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-card { display: none; }
  .cards-3, .services-grid, .additional-cols, .footer-grid { grid-template-columns: 1fr 1fr; }
  .expertise-cols { grid-template-columns: 1fr; gap: 0; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .cards-3, .services-grid, .additional-cols, .footer-grid, .contact-grid { grid-template-columns: 1fr; }
  .additional-box { padding: 1.5rem; }
  .expertise-box { padding: 1.5rem; }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.6s ease both; }
.fade-up-1 { animation-delay: 0.1s; }
.fade-up-2 { animation-delay: 0.2s; }
.fade-up-3 { animation-delay: 0.3s; }
.fade-up-4 { animation-delay: 0.4s; }

/* WhatsApp FAB */
.whatsapp-fab {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 200;
  width: 52px; height: 52px; background: #25D366;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.45);
  transition: transform 0.2s;
}
.whatsapp-fab:hover { transform: scale(1.1); }
.whatsapp-fab svg { width: 28px; height: 28px; fill: white; }