@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --offwhite: #f2faf6;
  --gray-100: #e8f5ee;
  --gray-200: #d0e8da;
  --gray-400: #7aaa91;
  --gray-600: #3d7a5c;
  --gray-800: #1a3d2b;
  --accent: #10b068;
  --accent-light: #b8ecd5;
  --accent-dark: #0a7a47;
  --green: #10b068;
  --radius: 2px;
  --radius-lg: 6px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 4px 24px rgba(16,176,104,0.08);
  --shadow-lg: 0 12px 48px rgba(16,176,104,0.13);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--white);
  color: var(--black);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Playfair Display', serif;
  line-height: 1.2;
  font-weight: 700;
}

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

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%;
  height: 72px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}

.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--black);
}
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex; align-items: center; gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-600);
  letter-spacing: 0.02em;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -3px; left: 0; right: 0;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.nav-links a:hover { color: var(--black); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active { color: var(--black); }

.nav-cta {
  background: var(--black);
  color: var(--white) !important;
  padding: 0.55rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  letter-spacing: 0.04em;
  transition: background var(--transition) !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--accent) !important; color: var(--white) !important; }

.nav-burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.nav-burger span { width: 22px; height: 2px; background: var(--black); display: block; transition: var(--transition); }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}
.btn-primary { background: var(--black); color: var(--white); }
.btn-primary:hover { background: var(--accent); color: var(--white); }
.btn-outline { background: transparent; color: var(--black); border: 1.5px solid var(--black); }
.btn-outline:hover { background: var(--black); color: var(--white); }
.btn-accent { background: var(--accent); color: var(--white); }
.btn-accent:hover { background: var(--accent-dark); color: var(--white); }
.btn-sm { padding: 0.6rem 1.3rem; font-size: 0.8rem; }

/* ── SECTIONS ── */
section { padding: 100px 5%; }
.section-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: block;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 540px;
  line-height: 1.7;
}

/* ── FOOTER ── */
footer {
  background: var(--black);
  color: var(--gray-400);
  padding: 80px 5% 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 60px;
}

.footer-brand h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 1rem;
}
.footer-brand h3 span { color: var(--accent); }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 300px; }

.footer-col h4 {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1.2rem;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--gray-400);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

/* ── CARDS ── */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all var(--transition);
}
.card:hover {
  border-color: var(--accent-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* ── DIVIDERS ── */
.thin-line {
  width: 48px; height: 2px;
  background: var(--accent);
  margin: 1.2rem 0;
}

/* ── PAGE HEADER ── */
.page-header {
  background: var(--black);
  color: var(--white);
  padding: 140px 5% 80px;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(200,169,110,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.page-header .section-label { color: var(--accent-light); }
.page-header h1 { color: var(--white); font-size: clamp(2.5rem, 5vw, 4rem); }
.page-header p { color: var(--gray-400); font-size: 1.1rem; max-width: 600px; margin-top: 1rem; }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up {
  opacity: 0;
  animation: fadeUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}
@media (max-width: 600px) {
  section { padding: 70px 6%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

/* Mobile nav open state */
nav.open .nav-links {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: var(--white);
  padding: 2rem 5%;
  border-bottom: 1px solid var(--gray-200);
  gap: 1.5rem;
  align-items: flex-start;
}

/* ── WHATSAPP FLOAT ── */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 0;
  cursor: pointer;
}
.wa-btn {
  width: 56px; height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  text-decoration: none;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}
.wa-btn:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,0.55); }
.wa-btn svg { width: 28px; height: 28px; }

.wa-tooltip {
  background: var(--black);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 6px 0 0 6px;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  transition: all 0.3s ease;
  pointer-events: none;
  margin-right: -4px;
}
.wa-float:hover .wa-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* Pulse ring */
.wa-btn::before {
  content: '';
  position: absolute;
  width: 100%; height: 100%;
  border-radius: 50%;
  background: #25D366;
  opacity: 0.3;
  animation: wa-pulse 2.5s ease-out infinite;
}
@keyframes wa-pulse {
  0%   { transform: scale(1); opacity: 0.35; }
  70%  { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}

@media (max-width: 600px) {
  .wa-float { bottom: 20px; right: 16px; }
  .wa-btn { width: 50px; height: 50px; }
  .wa-tooltip { display: none; }
}